Teaching Jharkhand (JSSC) TGT (6 to 8) Mock Test 2023-24 General Science Chemistry Classification of Elements and Periodicity in Properties
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 an 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
1
(i) only
2
(i), (ii) and (iii)
3
(i), (ii) and (iv)
4
(iv) only