{"id":93318,"date":"2026-03-30T15:30:22","date_gmt":"2026-03-30T10:00:22","guid":{"rendered":"https:\/\/www.oliveboard.in\/blog\/?p=93318"},"modified":"2026-03-30T17:53:02","modified_gmt":"2026-03-30T12:23:02","slug":"periodic-table-chemistry-study-notes-for-ssc-cgl","status":"publish","type":"post","link":"https:\/\/www.oliveboard.in\/blog\/periodic-table-chemistry-study-notes-for-ssc-cgl\/","title":{"rendered":"Periodic Table, Chemistry Study Notes for SSC CGL Exam, Attempt Live MCQs"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_77 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of content<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.oliveboard.in\/blog\/periodic-table-chemistry-study-notes-for-ssc-cgl\/#Key_Takeaways\" >Key Takeaways<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.oliveboard.in\/blog\/periodic-table-chemistry-study-notes-for-ssc-cgl\/#What_is_the_Periodic_Table\" >What is the Periodic Table?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.oliveboard.in\/blog\/periodic-table-chemistry-study-notes-for-ssc-cgl\/#Overview_of_the_Modern_Periodic_Table\" >Overview of the Modern Periodic Table<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.oliveboard.in\/blog\/periodic-table-chemistry-study-notes-for-ssc-cgl\/#Structure_of_the_Periodic_Table\" >Structure of the Periodic Table<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.oliveboard.in\/blog\/periodic-table-chemistry-study-notes-for-ssc-cgl\/#Blocks_of_the_Periodic_Table\" >Blocks of the Periodic Table<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.oliveboard.in\/blog\/periodic-table-chemistry-study-notes-for-ssc-cgl\/#f-Block_Elements\" >f-Block Elements<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.oliveboard.in\/blog\/periodic-table-chemistry-study-notes-for-ssc-cgl\/#Important_Trends_in_the_Periodic_Table\" >Important Trends in the Periodic Table<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.oliveboard.in\/blog\/periodic-table-chemistry-study-notes-for-ssc-cgl\/#Quick_Revision_Table\" >Quick Revision Table<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.oliveboard.in\/blog\/periodic-table-chemistry-study-notes-for-ssc-cgl\/#Practice_Periodic_Table_based_MCQs_Live\" >Practice Periodic Table based MCQs Live<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.oliveboard.in\/blog\/periodic-table-chemistry-study-notes-for-ssc-cgl\/#Sign_Up\" >Sign Up<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.oliveboard.in\/blog\/periodic-table-chemistry-study-notes-for-ssc-cgl\/#Login\" >Login<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.oliveboard.in\/blog\/periodic-table-chemistry-study-notes-for-ssc-cgl\/#Forgot_Password\" >Forgot Password<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.oliveboard.in\/blog\/periodic-table-chemistry-study-notes-for-ssc-cgl\/#i\" >&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.oliveboard.in\/blog\/periodic-table-chemistry-study-notes-for-ssc-cgl\/#FAQs\" >FAQs<\/a><\/li><\/ul><\/nav><\/div>\n\n<div class=\"wp-block-yoast-seo-ai-summarize yoast-ai-summarize\"><h2><span class=\"ez-toc-section\" id=\"Key_Takeaways\"><\/span>Key Takeaways<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul class=\"wp-block-list yoast-ai-summarize-list\">\n<li>The Periodic Table Chemistry Study Notes helps organize elements by atomic number and is essential for understanding properties and trends.<\/li>\n\n\n\n<li>The modern periodic table has 118 elements organized into 7 periods and 18 groups, showing specific similarities within groups.<\/li>\n\n\n\n<li>Elements are divided into blocks (s, p, d, f) based on electron configuration, influencing their chemical behavior.<\/li>\n\n\n\n<li>Key periodic trends include variations in atomic size, electronegativity, metallic nature, and ionization energy across periods and groups.<\/li>\n\n\n\n<li>Understanding these trends and the structure of the periodic table is vital for exams like SSC CGL 2026.<\/li>\n<\/ul>\n<\/div>\n\n\n\n<p>The periodic table is a chart that organizes all chemical elements based on their atomic number. It helps in understanding element properties, trends, and classifications. These notes are useful for SSC CGL 2026 and other exams like SSC CHSL, SSC MTS, and RRB NTPC.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-is-the-periodic-table\"><span class=\"ez-toc-section\" id=\"What_is_the_Periodic_Table\"><\/span>What is the Periodic Table?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The periodic table is a systematic arrangement of elements in order of increasing atomic number. It is based on the Modern Periodic Law, which states that the properties of elements are periodic functions of their atomic numbers. Earlier, elements were arranged by atomic mass (Mendeleev), but modern classification uses atomic number.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Overview_of_the_Modern_Periodic_Table\"><\/span>Overview of the Modern Periodic Table<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The modern periodic table contains 118 elements. In the modern periodic table, the elements are arranged according to their atomic numbers. The periodic table is divided into groups and periods. The vertical rows are called groups and horizontal rows are called periods. For the <a href=\"https:\/\/www.oliveboard.in\/ssc-cgl-notification\/?ref=contmk-ptq\" target=\"_blank\" rel=\"noreferrer noopener\">SSC CGL Exam<\/a>, understanding the modern periodic table is essential as it forms the basis of many Chemistry questions in the General Awareness section.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Feature<\/strong><\/td><td><strong>Details<\/strong><\/td><\/tr><tr><td>Total Elements<\/td><td>118<\/td><\/tr><tr><td>Basis<\/td><td>Atomic Number<\/td><\/tr><tr><td>Periods<\/td><td>7 (Horizontal rows)<\/td><\/tr><tr><td>Groups<\/td><td>18 (Vertical columns)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"2000\" height=\"1400\" src=\"https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2022\/03\/Periodic-Table.png\" alt=\"periodic table\" class=\"wp-image-93322\"\/><figcaption class=\"wp-element-caption\">Image Source: Encyclopedia Britannica<\/figcaption><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button aligncenter\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.oliveboard.in\/ssc-cgl-mock-test\/?ref=contan-ptq\" target=\"_blank\" rel=\"noreferrer noopener\">Attempt Free SSC CGL Mock Test<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Structure_of_the_Periodic_Table\"><\/span>Structure of the Periodic Table<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>To understand how elements are arranged, it is important to learn about the structure of groups and periods.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Groups vs Periods<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Feature<\/strong><\/td><td><strong>Groups<\/strong><\/td><td><strong>Periods<\/strong><\/td><\/tr><tr><td>Direction<\/td><td>Vertical<\/td><td>Horizontal<\/td><\/tr><tr><td>Number<\/td><td>18<\/td><td>7<\/td><\/tr><tr><td>Similarity<\/td><td>Same properties<\/td><td>Gradual change in properties<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Elements in the same group have similar chemical properties, while elements across a period show gradual variation.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Blocks_of_the_Periodic_Table\"><\/span>Blocks of the Periodic Table<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Another important way to classify elements is based on their electron configuration, which divides the table into blocks.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Block<\/strong><\/td><td><strong>Groups<\/strong><\/td><td><strong>Characteristics<\/strong><\/td><\/tr><tr><td>s-block<\/td><td>1\u20132<\/td><td>Highly reactive metals<\/td><\/tr><tr><td>p-block<\/td><td>13\u201318<\/td><td>Metals, non-metals, metalloids<\/td><\/tr><tr><td>d-block<\/td><td>3\u201312<\/td><td>Transition metals<\/td><\/tr><tr><td>f-block<\/td><td>Inner transition<\/td><td>Rare earth elements<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>This classification is very important for understanding chemical behavior.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">s-Block Elements<\/h3>\n\n\n\n<p>Let us now study each block in detail, starting with the s-block elements.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Feature<\/strong><\/td><td><strong>Details<\/strong><\/td><\/tr><tr><td>Groups<\/td><td>1 &amp; 2<\/td><\/tr><tr><td>Group 1<\/td><td>Alkali Metals (Na, K)<\/td><\/tr><tr><td>Group 2<\/td><td>Alkaline Earth Metals (Mg, Ca)<\/td><\/tr><tr><td>Nature<\/td><td>Highly reactive<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>These elements tend to lose electrons easily and are therefore highly reactive metals.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.oliveboard.in\/blog\/ssc-cgl-tier-1-pyps\/?ref=contmk-blog-ptq\" target=\"_blank\" rel=\"noreferrer noopener\">download SSC CGL Previous year papers for free<\/a><\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">p-Block Elements<\/h3>\n\n\n\n<p>Next, we move to the p-block, which contains a wide variety of elements.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Feature<\/strong><\/td><td><strong>Details<\/strong><\/td><\/tr><tr><td>Groups<\/td><td>13\u201318<\/td><\/tr><tr><td>Group 17<\/td><td>Halogens<\/td><\/tr><tr><td>Group 18<\/td><td>Noble Gases<\/td><\/tr><tr><td>Nature<\/td><td>Mix of metals and non-metals<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Noble gases are chemically inert and very stable in nature.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">d-Block Elements (Transition Metals)<\/h3>\n\n\n\n<p>The d-block elements are important due to their unique chemical properties and frequent appearance in exam questions.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Feature<\/strong><\/td><td><strong>Details<\/strong><\/td><\/tr><tr><td>Groups<\/td><td>3\u201312<\/td><\/tr><tr><td>Type<\/td><td>Metals<\/td><\/tr><tr><td>Special Property<\/td><td>Variable oxidation states<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>An important fact to remember is that Mercury is the only metal that exists in liquid state at room temperature.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"f-Block_Elements\"><\/span>f-Block Elements<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The f-block elements are placed separately at the bottom of the periodic table and have special properties.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Series<\/strong><\/td><td><strong>Atomic<\/strong> <strong>Numbers<\/strong><\/td><td><strong>Property<\/strong><\/td><\/tr><tr><td>Lanthanides<\/td><td>57\u201371<\/td><td>Rare earth metals<\/td><\/tr><tr><td>Actinides<\/td><td>89\u2013103<\/td><td>Radioactive<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>All actinides are radioactive and are important in nuclear chemistry.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Important_Trends_in_the_Periodic_Table\"><\/span>Important Trends in the Periodic Table<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>To score well in exams, understanding periodic trends is essential as many conceptual questions are based on them.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Property<\/strong><\/td><td><strong>Trend<\/strong><\/td><\/tr><tr><td>Atomic Size<\/td><td>Increases down a group<\/td><\/tr><tr><td>Electronegativity<\/td><td>Decreases down a group<\/td><\/tr><tr><td>Metallic Nature<\/td><td>Increases down a group<\/td><\/tr><tr><td>Ionization Energy<\/td><td>Decreases down a group<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Across a period from left to right, these trends generally show opposite behavior.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Quick_Revision_Table\"><\/span>Quick Revision Table<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Before moving to practice, here is a quick summary for revision.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Topic<\/strong><\/td><td><strong>Key Point<\/strong><\/td><\/tr><tr><td>Periodic Table<\/td><td>Arrangement by atomic number<\/td><\/tr><tr><td>Groups<\/td><td>Vertical columns<\/td><\/tr><tr><td>Periods<\/td><td>Horizontal rows<\/td><\/tr><tr><td>s-block<\/td><td>Groups 1\u20132<\/td><\/tr><tr><td>p-block<\/td><td>Groups 13\u201318<\/td><\/tr><tr><td>d-block<\/td><td>Transition metals<\/td><\/tr><tr><td>f-block<\/td><td>Lanthanides and Actinides<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-practice-periodic-table-based-mcqs-live\"><span class=\"ez-toc-section\" id=\"Practice_Periodic_Table_based_MCQs_Live\"><\/span>Practice Periodic Table based MCQs Live <span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n<meta charset=\"UTF-8\">\n<link rel=\"stylesheet\" href=\"https:\/\/courses.oliveboard.in\/edge\/css\/login-modal-for-blog.css\">\n\n<style>\n#quiz-1-sticky-header {\n  position: sticky;\n  top: 0;\n  z-index: 100;\n  background: #1565c0;\n  color: #fff;\n  padding: 12px 20px;\n  border-radius: 10px 10px 0 0;\n  display: flex;\n  justify-content: space-between;\n  align-items: center;\n  font-size: 16px;\n  font-weight: bold;\n  box-shadow: 0 2px 8px rgba(0,0,0,0.2);\n  margin: -20px -20px 20px -20px;\n}\n\n#quiz-1-score-badge {\n  background: rgba(255,255,255,0.2);\n  padding: 4px 12px;\n  border-radius: 20px;\n  font-size: 15px;\n  white-space: nowrap;\n}\n#quiz-1 * { box-sizing: border-box; }\n\n#quiz-1 .quiz-container {\n  max-width: 700px;\n  margin: auto;\n  padding: 20px;\n  background: #fff;\n  border-radius: 14px;\n  box-shadow: 0 6px 16px rgba(0,0,0,0.12);\n}\n\n#quiz-1 h2 {\n  text-align: center;\n}\n\n#quiz-1 .question {\n  margin-bottom: 22px;\n}\n\n#quiz-1 .question p {\n  font-weight: bold;\n}\n\n#quiz-1 button {\n  width: 100%;\n  padding: 12px;\n  margin: 6px 0;\n  border: none;\n  border-radius: 6px;\n  background: #e0e0e0;\n  color: #000;\n  font-size: 16px;\n  cursor: pointer;\n}\n\n#quiz-1 button:hover {\n  background: #d5d5d5;\n}\n\n#quiz-1 button.correct {\n  background: #4caf50;\n  color: #000;\n}\n\n#quiz-1 button.wrong {\n  background: #f44336;\n  color: #000;\n}\n\n#quiz-1 button.locked {\n  pointer-events: none;\n}\n\n\/* SUMMARY *\/\n#quiz-1 .final-summary {\n  margin-top: 40px;\n  padding: 20px;\n  border-radius: 14px;\n  background: #fafafa;\n  border: 2px solid #4caf50;\n}\n\n#quiz-1 .final-summary h3 {\n  text-align: center;\n  margin-bottom: 20px;\n}\n\n#quiz-1 .summary-row {\n  display: grid;\n  grid-template-columns: 120px 1fr 40px;\n  gap: 10px;\n  align-items: center;\n  margin-bottom: 12px;\n  font-weight: bold;\n}\n\n#quiz-1 .summary-bar {\n  height: 14px;\n  background: #ddd;\n  border-radius: 10px;\n  overflow: hidden;\n}\n\n#quiz-1 .bar-fill {\n  height: 100%;\n  width: 0%;\n}\n\n#quiz-1 .bar-attempted { background: #2196f3; }\n#quiz-1 .bar-correct { background: #4caf50; }\n#quiz-1 .bar-wrong { background: #f44336; }\n#quiz-1 .bar-unattempted { background: #9e9e9e; width: 100%; }\n\n#quiz-1 .final-score {\n  text-align: center;\n  font-size: 22px;\n  margin-top: 20px;\n}\n\n#quiz-1 .score-value {\n  font-size: 30px;\n  margin-left: 8px;\n}\n<\/style>\n<\/head>\n\n<body>\n<div id=\"quiz-1\">\n  <div class=\"quiz-container\">\n<div id=\"quiz-1-sticky-header\">\n  <span> SSC CGL Periodic Table Questions (Chemistry) <\/span>\n  <span id=\"quiz-1-score-badge\">Score: <strong id=\"quiz-1-score-value\">0.00<\/strong><\/span>\n<\/div>\n\n    <!-- QUESTIONS -->\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q1. How many groups are present in the modern periodic table?<\/p>\n  <button data-correct=\"false\">7<\/button>\n  <button data-correct=\"true\">18<\/button>\n  <button data-correct=\"false\">16<\/button>\n  <button data-correct=\"false\">12<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q2. Which group contains noble gases?<\/p>\n  <button data-correct=\"false\">1<\/button>\n  <button data-correct=\"false\">17<\/button>\n  <button data-correct=\"true\">18<\/button>\n  <button data-correct=\"false\">2<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q3. Which block contains transition elements?<\/p>\n  <button data-correct=\"false\">s-block<\/button>\n  <button data-correct=\"false\">p-block<\/button>\n  <button data-correct=\"true\">d-block<\/button>\n  <button data-correct=\"false\">f-block<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q4. How many periods are present in the modern periodic table?<\/p>\n  <button data-correct=\"false\">6<\/button>\n  <button data-correct=\"true\">7<\/button>\n  <button data-correct=\"false\">8<\/button>\n  <button data-correct=\"false\">18<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q5. Which group of elements is known as alkali metals?<\/p>\n  <button data-correct=\"false\">Group 2<\/button>\n  <button data-correct=\"false\">Group 17<\/button>\n  <button data-correct=\"true\">Group 1<\/button>\n  <button data-correct=\"false\">Group 18<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q6. Which group of elements is called halogens?<\/p>\n  <button data-correct=\"false\">Group 1<\/button>\n  <button data-correct=\"false\">Group 16<\/button>\n  <button data-correct=\"true\">Group 17<\/button>\n  <button data-correct=\"false\">Group 18<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q7. Which block contains noble gases?<\/p>\n  <button data-correct=\"false\">s-block<\/button>\n  <button data-correct=\"true\">p-block<\/button>\n  <button data-correct=\"false\">d-block<\/button>\n  <button data-correct=\"false\">f-block<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q8. Which of the following is the basis of the modern periodic table?<\/p>\n  <button data-correct=\"false\">Atomic mass<\/button>\n  <button data-correct=\"true\">Atomic number<\/button>\n  <button data-correct=\"false\">Density<\/button>\n  <button data-correct=\"false\">Valency<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q9. Which element is liquid at room temperature?<\/p>\n  <button data-correct=\"false\">Iron<\/button>\n  <button data-correct=\"true\">Mercury<\/button>\n  <button data-correct=\"false\">Copper<\/button>\n  <button data-correct=\"false\">Aluminum<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q10. Which block elements are known as transition elements?<\/p>\n  <button data-correct=\"false\">s-block<\/button>\n  <button data-correct=\"false\">p-block<\/button>\n  <button data-correct=\"true\">d-block<\/button>\n  <button data-correct=\"false\">f-block<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q11. The f-block elements are also known as:<\/p>\n  <button data-correct=\"false\">Representative elements<\/button>\n  <button data-correct=\"false\">Transition elements<\/button>\n  <button data-correct=\"true\">Inner transition elements<\/button>\n  <button data-correct=\"false\">Noble elements<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q12. Which of the following is a noble gas?<\/p>\n  <button data-correct=\"false\">Oxygen<\/button>\n  <button data-correct=\"false\">Nitrogen<\/button>\n  <button data-correct=\"true\">Helium<\/button>\n  <button data-correct=\"false\">Chlorine<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q13. Which property increases down a group in the periodic table?<\/p>\n  <button data-correct=\"false\">Electronegativity<\/button>\n  <button data-correct=\"false\">Ionization energy<\/button>\n  <button data-correct=\"true\">Atomic size<\/button>\n  <button data-correct=\"false\">Reactivity of non-metals<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q14. Which of the following decreases down a group?<\/p>\n  <button data-correct=\"false\">Atomic size<\/button>\n  <button data-correct=\"false\">Metallic character<\/button>\n  <button data-correct=\"true\">Ionization energy<\/button>\n  <button data-correct=\"false\">Number of shells<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>Q15. 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The modern periodic table consists of 118 known elements.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1751613760245\"><strong class=\"schema-faq-question\">Q5. What are d-block elements known as?<\/strong> <p class=\"schema-faq-answer\">Ans. d-block elements are known as transition metals.<\/p> <\/div> <\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n<ul class=\"wp-block-latest-posts__list is-grid columns-3 wp-block-latest-posts\"><li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/error-spotting-questions\/\">Error Spotting Questions for SSC CGL, Download Free Ebook<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/sentence-improvement-questions-for-ssc-cgl\/\">Sentence Improvement Questions for SSC CGL, Attempt Now<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/how-did-air-1-use-oliveboard-to-crack-ssc-cgl\/\">How did AIR 1 use Oliveboard to crack SSC CGL 2026? 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It helps in understanding<\/p>\n","protected":false},"author":66,"featured_media":240954,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5217,63],"tags":[],"class_list":["post-93318","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ssc-prep","category-ssc-exams","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.6 (Yoast SEO v26.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Periodic Table, Chemistry Study Notes for SSC CGL Exam, Attempt Live MCQs<\/title>\n<meta name=\"description\" content=\"Periodic Table Chemistry Study Notes for SSC CGL cover all 118 elements with easy explanations. 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It is a chart that organizes elements by increasing atomic number.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.oliveboard.in\/blog\/periodic-table-chemistry-study-notes-for-ssc-cgl\/#faq-question-1751613728367","position":2,"url":"https:\/\/www.oliveboard.in\/blog\/periodic-table-chemistry-study-notes-for-ssc-cgl\/#faq-question-1751613728367","name":"Q2. What is the modern periodic law?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Ans. Properties of elements are periodic functions of their atomic numbers.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.oliveboard.in\/blog\/periodic-table-chemistry-study-notes-for-ssc-cgl\/#faq-question-1751613735164","position":3,"url":"https:\/\/www.oliveboard.in\/blog\/periodic-table-chemistry-study-notes-for-ssc-cgl\/#faq-question-1751613735164","name":"Q3. How many periods are there in the modern periodic table?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Ans. There are 7 horizontal periods in the modern periodic table.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.oliveboard.in\/blog\/periodic-table-chemistry-study-notes-for-ssc-cgl\/#faq-question-1751613755005","position":4,"url":"https:\/\/www.oliveboard.in\/blog\/periodic-table-chemistry-study-notes-for-ssc-cgl\/#faq-question-1751613755005","name":"Q4. How many elements are there in the modern periodic table?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Ans. The modern periodic table consists of 118 known elements.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.oliveboard.in\/blog\/periodic-table-chemistry-study-notes-for-ssc-cgl\/#faq-question-1751613760245","position":5,"url":"https:\/\/www.oliveboard.in\/blog\/periodic-table-chemistry-study-notes-for-ssc-cgl\/#faq-question-1751613760245","name":"Q5. What are d-block elements known as?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Ans. d-block elements are known as transition metals.","inLanguage":"en-US"},"inLanguage":"en-US"}]}},"_links":{"self":[{"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/posts\/93318","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/users\/66"}],"replies":[{"embeddable":true,"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/comments?post=93318"}],"version-history":[{"count":17,"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/posts\/93318\/revisions"}],"predecessor-version":[{"id":240981,"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/posts\/93318\/revisions\/240981"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/media\/240954"}],"wp:attachment":[{"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/media?parent=93318"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/categories?post=93318"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/tags?post=93318"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}