Which of the following statement(s) about Modem 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.

Which of the following statement(s) about Modem Periodic Table are inc

1.	Which of the following statement(s) about Modem 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.
Answer» (i) only. (i), (ii) and (iii) (i), (ii) and (iv) (iv) only. Solution :Only the STATEMENT (iv) that in the Modern PERIODIC Table, the elements are ARRANGED on the BASIS of INCREASING atomic number.