{"id":4050,"date":"2016-05-06T11:49:00","date_gmt":"2016-05-06T06:19:00","guid":{"rendered":"http:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-10-science-periodic-classification-of-elements-part-2\/"},"modified":"2023-03-22T16:47:02","modified_gmt":"2023-03-22T11:17:02","slug":"ncert-solutions-for-class-10-science-periodic-classification-of-elements-part-2","status":"publish","type":"post","link":"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-10-science-periodic-classification-of-elements-part-2\/","title":{"rendered":"NCERT Solutions for Class 10 Science Periodic Classification of Elements Part 2"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_76 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 Contents<\/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:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-10-science-periodic-classification-of-elements-part-2\/#NCERT_Class_10_Science_Chapter_wise_Solutions\" >NCERT Class 10 Science Chapter wise Solutions<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-10-science-periodic-classification-of-elements-part-2\/#NCERT_Solutions_for_Class_10_Science_Periodic_Classification_of_Elements_Part_2\" >NCERT Solutions for Class 10 Science Periodic Classification of Elements Part 2<\/a><ul class='ez-toc-list-level-6' ><li class='ez-toc-heading-level-6'><ul class='ez-toc-list-level-6' ><li class='ez-toc-heading-level-6'><ul class='ez-toc-list-level-6' ><li class='ez-toc-heading-level-6'><ul class='ez-toc-list-level-6' ><li class='ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-10-science-periodic-classification-of-elements-part-2\/#1_Which_of_the_following_statements_is_not_correct_statement_about_the_trends_when_going_from_left_to_right_across_the_periods_of_Periodic_Table\" >1. Which of the following statements is not correct statement about the trends when going from left to right across the periods of Periodic Table?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-10-science-periodic-classification-of-elements-part-2\/#2_Element_X_forms_a_chloride_with_the_formula_which_is_a_solid_with_a_high_melting_point_X_would_most_likely_be_in_the_same_group_of_the_Periodic_Table_as\" >2. Element X forms a chloride with the formula  which is a solid with a high melting point. X would most likely be in the same group of the Periodic Table as<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-10-science-periodic-classification-of-elements-part-2\/#3_Which_element_has\" >3. Which element has<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-10-science-periodic-classification-of-elements-part-2\/#4_a_What_property_do_all_elements_in_the_same_column_of_the_Periodic_Table_as_boron_have_in_common\" >4. (a) What property do all elements in the same column of the Periodic Table as boron have in common?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-10-science-periodic-classification-of-elements-part-2\/#5_An_atom_has_electronic_configuration_2_8_7\" >5. An atom has electronic configuration 2, 8, 7.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-10-science-periodic-classification-of-elements-part-2\/#6_The_position_of_three_elements_A_B_and_C_in_the_Periodic_Table_are_shown_below\" >6. The position of three elements A, B and C in the Periodic Table are shown below:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-10-science-periodic-classification-of-elements-part-2\/#7_Nitrogen_atomic_number_7_and_phosphorus_atomic_number_15_belong_to_group_15_of_the_Periodic_Table_Write_the_electronic_configuration_of_these_two_elements_Which_of_these_will_be_more_electronegative_Why\" >7. Nitrogen (atomic number 7) and phosphorus (atomic number 15) belong to group 15 of the Periodic Table. Write the electronic configuration of these two elements. Which of these will be more electronegative? Why?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-10-science-periodic-classification-of-elements-part-2\/#8_How_does_the_electronic_configuration_of_an_atom_relate_to_its_position_in_the_Modern_Periodic_Table\" >8. How does the electronic configuration of an atom relate to its position in the Modern Periodic Table?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-10-science-periodic-classification-of-elements-part-2\/#9_In_the_modern_Periodic_Table_calcium_atomic_number_20_is_surrounded_by_elements_with_atomic_number_12_19_21_and_38_Which_of_these_have_physical_and_chemical_properties_resembling_calcium\" >9. In the modern Periodic Table calcium (atomic number 20) is surrounded by elements with atomic number 12, 19, 21 and 38. Which of these have physical and chemical properties resembling calcium?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-10-science-periodic-classification-of-elements-part-2\/#10_Compare_and_contrast_the_arrangement_of_elements_in_Mendeleevs_Periodic_Table_and_the_Modern_Periodic_Table\" >10. Compare and contrast the arrangement of elements in Mendeleev\u2019s Periodic Table and the Modern Periodic Table.<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-10-science-periodic-classification-of-elements-part-2\/#NCERT_Solutions_for_Class_10_Science\" >NCERT Solutions for Class 10 Science<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-10-science-periodic-classification-of-elements-part-2\/#CBSE_app_for_Students\" >CBSE app for Students<\/a><\/li><\/ul><\/nav><\/div>\n<p>NCERT Solutions for Class 10 Science Periodic Classification of Elements Part 2 Class 10 Science Class book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE Board exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT text books. Class 10 Science chapter wise NCERT solution for Science Book for all the chapters can be downloaded from our website and myCBSEguide mobile app for free.<\/p>\n<p style=\"text-align: center;\"><strong>NCERT solutions for Class 10 Science\u00a0Periodic Classification of Elements <a class=\"button\" href=\"https:\/\/mycbseguide.com\/downloads\/cbse-class-10-science\/1176\/ncert-solutions\/5\/\">Download as PDF<\/a><\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/media-mycbseguide.s3.ap-south-1.amazonaws.com\/images\/blog\/10%20Science%20Book.jpg\" alt=\"NCERT Solutions for Class 10 Science Periodic Classification of Elements Part 2\" width=\"197\" height=\"242\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"NCERT_Class_10_Science_Chapter_wise_Solutions\"><\/span><span class=\"underline-text\">NCERT Class 10 Science Chapter wise Solutions<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>1 \u2013 Chemical Reactions and Equations<\/li>\n<li>2 \u2013 Acids, Bases and Salts<\/li>\n<li>3 \u2013 Metals and Non-metals<\/li>\n<li>4 \u2013 Carbon and Its Compounds<\/li>\n<li>5 \u2013 Periodic Classification of Elements<\/li>\n<li>6 \u2013 Life Processes<\/li>\n<li>7 \u2013 Control and Coordination<\/li>\n<li>8 \u2013 How do Organisms Reproduce?<\/li>\n<li>9 \u2013 Heredity and Evolution<\/li>\n<li>10 \u2013 Light Reflection and Refraction<\/li>\n<li>11 \u2013 Human Eye and Colourful World<\/li>\n<li>12 \u2013 Electricity<\/li>\n<li>13 \u2013 Magnetic Effects of Electric Current<\/li>\n<li>14 \u2013 Sources of Energy<\/li>\n<li>15 \u2013 Our Environment<\/li>\n<li>16 \u2013 Management of Natural Resources<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"NCERT_Solutions_for_Class_10_Science_Periodic_Classification_of_Elements_Part_2\"><\/span>NCERT Solutions for Class 10 Science Periodic Classification of Elements Part 2<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h6><span class=\"ez-toc-section\" id=\"1_Which_of_the_following_statements_is_not_correct_statement_about_the_trends_when_going_from_left_to_right_across_the_periods_of_Periodic_Table\"><\/span><strong>1. Which of the following statements is not correct statement about the trends when going from left to right across the periods of Periodic Table?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p><strong>(a) The elements become less metallic in nature.<\/strong><\/p>\n<p><strong>(b) The number of valance electrons increases.<\/strong><\/p>\n<p><strong>(c) The atoms lose their electrons more easily.<\/strong><\/p>\n<p><strong>(d) The oxides becomes more acidic.<\/strong><\/p>\n<p><strong>Ans. (c)<\/strong> The atoms lose their electrons more easily.<\/p>\n<hr \/>\n<h6><span class=\"ez-toc-section\" id=\"2_Element_X_forms_a_chloride_with_the_formula_which_is_a_solid_with_a_high_melting_point_X_would_most_likely_be_in_the_same_group_of_the_Periodic_Table_as\"><\/span><strong>2. Element X forms a chloride with the formula <img decoding=\"async\" style=\"height: 24px; width: 36px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/10\/science\/ch05\/image001.png\" \/> which is a solid with a high melting point. X would most likely be in the same group of the Periodic Table as<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p><strong>(a) Na<\/strong><\/p>\n<p><strong>(b) Mg<\/strong><\/p>\n<p><strong>(c) Al<\/strong><\/p>\n<p><strong>(d) Si<\/strong><\/p>\n<p><strong>Ans. (b)<\/strong> Mg<\/p>\n<hr \/>\n<p style=\"text-align: center;\">NCERT Solutions for Class 10 Science Periodic Classification of Elements Part 2<\/p>\n<h6><span class=\"ez-toc-section\" id=\"3_Which_element_has\"><\/span><strong>3. Which element has<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p><strong>(a) two cells, both of which are completely filled with electrons?<\/strong><\/p>\n<p><strong>(b) the electronic configuration 2, 8, 2?<\/strong><\/p>\n<p><strong>(c) a total of three shells, with four electrons in its valance shell?<\/strong><\/p>\n<p><strong>(d) twice as many electrons in its second shell as in its first shell?<\/strong><\/p>\n<p><strong>Ans. (a)<\/strong> Neon<\/p>\n<p><strong>(b)<\/strong> Magnesium<\/p>\n<p><strong>(c)<\/strong> Silicon<\/p>\n<p><strong>(d)<\/strong> Carbon<\/p>\n<hr \/>\n<p style=\"text-align: center;\">NCERT Solutions for Class 10 Science Periodic Classification of Elements Part 2<\/p>\n<h6><span class=\"ez-toc-section\" id=\"4_a_What_property_do_all_elements_in_the_same_column_of_the_Periodic_Table_as_boron_have_in_common\"><\/span><strong>4. (a) What property do all elements in the same column of the Periodic Table as boron have in common? <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p><strong>(b) What property do all elements in the same column of the Periodic Table as Fluorine have common? <\/strong><\/p>\n<p><strong>Ans. (a)<\/strong> All the elements in the in the same column as boron have three electrons in the valence shell. That is all the elements are trivalent.<\/p>\n<p><strong>(b)<\/strong> All the elements in the same column as fluorine has one electron in the valance shell, which is all the elements, are monovalent.<\/p>\n<hr \/>\n<h6><span class=\"ez-toc-section\" id=\"5_An_atom_has_electronic_configuration_2_8_7\"><\/span><strong>5. An atom has electronic configuration 2, 8, 7.<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p><strong>(a) What is the atomic number of this element?<\/strong><\/p>\n<p><strong>(b)To which of the following elements would it be chemically similar?<\/strong><\/p>\n<p><strong>(Atomic numbers are given in parentheses.)<\/strong><\/p>\n<p><strong>N(7), F(9), P(15), Ar(18)<\/strong><\/p>\n<p><strong>Ans. <\/strong>Chlorine has the electronic configuration 2, 8, 7.<\/p>\n<p><strong>(a)<\/strong> Atomic number of element is 17.<\/p>\n<p><strong>(b)<\/strong> F (9)<\/p>\n<hr \/>\n<p style=\"text-align: center;\">NCERT Solutions for Class 10 Science Periodic Classification of Elements Part 2<\/p>\n<h6><span class=\"ez-toc-section\" id=\"6_The_position_of_three_elements_A_B_and_C_in_the_Periodic_Table_are_shown_below\"><\/span><strong>6. The position of three elements A, B and C in the Periodic Table are shown below:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p><strong><img decoding=\"async\" id=\"Picture 1\" style=\"height: 122px; width: 220px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/10\/science\/ch05\/image002.png\" \/><\/strong><\/p>\n<p><strong>(a) State whether A is a metal or non-metal.<\/strong><\/p>\n<p><strong>(b) State whether C is more reactive than A<\/strong><\/p>\n<p><strong>(c) Will C be larger or smaller in size than B?<\/strong><\/p>\n<p><strong>(d) Which type of ion, cation or anion, will be formed by element A? <\/strong><\/p>\n<p><strong>Ans. (a)<\/strong> A is a non-metal.<\/p>\n<p><strong>(b)<\/strong> C is less reactive than A.<\/p>\n<p><strong>(c)<\/strong> C will be smaller than B.<\/p>\n<p><strong>(d)<\/strong> A will form anion.<\/p>\n<hr \/>\n<h6><span class=\"ez-toc-section\" id=\"7_Nitrogen_atomic_number_7_and_phosphorus_atomic_number_15_belong_to_group_15_of_the_Periodic_Table_Write_the_electronic_configuration_of_these_two_elements_Which_of_these_will_be_more_electronegative_Why\"><\/span><strong>7. Nitrogen (atomic number 7) and phosphorus (atomic number 15) belong to group 15 of the Periodic Table. Write the electronic configuration of these two elements. Which of these will be more electronegative? Why? <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p><strong>Ans. <\/strong>Nitrogen atomic number 7 has got 7 electrons with electronic configuration 2, 5.<\/p>\n<p>Phosphorus with atomic number 15 has got 15 electrons with electronic configuration 2, 8, 5.<\/p>\n<p>Non-metallic character decreases as we move down the group. Therefore, nitrogen will be more electronegative than phosphorus.<\/p>\n<hr \/>\n<p style=\"text-align: center;\">NCERT Solutions for Class 10 Science Periodic Classification of Elements Part 2<\/p>\n<h6><span class=\"ez-toc-section\" id=\"8_How_does_the_electronic_configuration_of_an_atom_relate_to_its_position_in_the_Modern_Periodic_Table\"><\/span><strong>8. How does the electronic configuration of an atom relate to its position in the Modern Periodic Table?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p><strong>Ans. <\/strong>Group number on an element can be predicted from the number of electrons in the outermost shell.<\/p>\n<p>Period number of an element can be predicted from the number of shells with filled electrons.<\/p>\n<p>Knowing the electronic configuration, we can find the number of electrons in the outermost shell and the number of shells with filled electrons. This can help to relate its position in the Periodic Table.<\/p>\n<hr \/>\n<h6><span class=\"ez-toc-section\" id=\"9_In_the_modern_Periodic_Table_calcium_atomic_number_20_is_surrounded_by_elements_with_atomic_number_12_19_21_and_38_Which_of_these_have_physical_and_chemical_properties_resembling_calcium\"><\/span><strong>9. In the modern Periodic Table calcium (atomic number 20) is surrounded by elements with atomic number 12, 19, 21 and 38. Which of these have physical and chemical properties resembling calcium? <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p><strong>Ans. <\/strong>Elements in a group have similar properties. Elements with atomic numbers 12 and 38 lie in the same group as calcium. Therefore, they will have properties resembling calcium.<\/p>\n<hr \/>\n<p style=\"text-align: center;\">NCERT Solutions for Class 10 Science Periodic Classification of Elements Part 2<\/p>\n<h6><span class=\"ez-toc-section\" id=\"10_Compare_and_contrast_the_arrangement_of_elements_in_Mendeleevs_Periodic_Table_and_the_Modern_Periodic_Table\"><\/span><strong>10. Compare and contrast the arrangement of elements in Mendeleev\u2019s Periodic Table and the Modern Periodic Table.<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p><strong>Ans. <\/strong><\/p>\n<p><img decoding=\"async\" id=\"Picture 3\" style=\"height: 319px; width: 580px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/10\/science\/ch05\/image003.jpg\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"NCERT_Solutions_for_Class_10_Science\"><\/span>NCERT Solutions for Class 10 Science<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>NCERT Solutions Class 10 Science PDF (Download) Free from myCBSEguide app and myCBSEguide website. Ncert solution class 10 Science includes text book solutions from Book. NCERT Solutions for CBSE Class 10 Science have total 16 chapters. 10 Science NCERT Solutions in PDF for free Download on our website. Ncert Science class 10 solutions PDF and Science ncert class 10 PDF solutions with latest modifications and as per the latest CBSE syllabus are only available in myCBSEguide.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"CBSE_app_for_Students\"><\/span>CBSE app for Students<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>To download\u00a0NCERT Solutions for class 10 Social Science, Computer Science, Home Science,Hindi ,English, Maths Science do check myCBSEguide app or website. myCBSEguide provides sample papers with solution, test papers for chapter-wise practice, NCERT solutions, NCERT Exemplar solutions, quick revision notes for ready reference, CBSE guess papers and CBSE important question papers. Sample Paper all are made available through\u00a0<a href=\"https:\/\/play.google.com\/store\/apps\/details?id=in.techchefs.MyCBSEGuide&amp;referrer=utm_source%3Dmycbse_bottom%26utm_medium%3Dtext%26utm_campaign%3Dmycbseads\"><strong>the best app for CBSE students<\/strong><\/a>\u00a0and myCBSEguide website.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>NCERT Solutions for Class 10 Science Periodic Classification of Elements Part 2 Class 10 Science Class book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE Board exam. 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