HomeQ&AWhich of the following statement (s) about the Modern Periodic Table are incorrect (i) The elements in the Modern Periodic Table are arranged on the basis of their decreasing atomic number (ii) The elements in the Modern Periodic Table are arranged on the basis of their increasing atomic masses (iii) Isotopes are placed in adjoining group (s) in the Periodic Table (iv) The elements in the Modern Periodic Table are arranged on the basis of their increasing atomic number (a) (i) only (b) (i), (ii) and (iii) (c) (i), (ii) and (iv) (iv) only

Which of the following statement (s) about the Modern Periodic Table are incorrect (i) The elements in the Modern Periodic Table are arranged on the basis of their decreasing atomic number (ii) The elements in the Modern Periodic Table are arranged on the basis of their increasing atomic masses (iii) Isotopes are placed in adjoining group (s) in the Periodic Table (iv) The elements in the Modern Periodic Table are arranged on the basis of their increasing atomic number (a) (i) only (b) (i), (ii) and (iii) (c) (i), (ii) and (iv) (iv) only

ScienceClass 10CBSEAnswered 27 Mar 2026

Answer

oln:

Answer is (b) (i), (ii) and (iii)

Explanation:

Elements in the Modern Periodic Table are arranged on the basis of their increasing atomic number hence option

i) is wrong . In modern periodic table atomic mass is not a criteria hence option ii) is Isotopes are given the same position in periodic table hence option iii) is wrong.

Science · Class 10

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