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.
Answer:B
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.