Which of the following statement (s) about the Modern

Question:

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 numbers

(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 numbers

(a) (i) only

(b) (i), (ii) and (iii)

(c) (i), (ii) and (iv)

(d) (iv) only.

Solution:

(b). Statements (i), (ii) and (iii) are all in correct.

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