Match the atomic numbers of the elements given in column I with the periods given in column II and mark the appropriate choice.
Column I (Atomic Number) | Column II (Period) |
(A) 31 | (i) 5 |
(B) 50 | (ii) 3 |
(C) 56 | (iii) 4 |
(D) 14 | (iv) 6 |
Atomic number | Electronic configuration | Period |
14 | 2,8,4 | 3 |
31 | 2,8,8, 13 | 4 |
50 | 2,8,8,18,14 | 5 |
56 | 2,8,8,18,18,2 | 6 |