|
The total number of elements present in 4th period of modern periodic table is |
|||||||
|
(a) |
8 |
(b) |
18 |
(c) |
32 |
(d) |
12 |
|
The total number of elements present in 4th period of modern periodic table is |
|||||||
|
(a) |
8 |
(b) |
18 |
(c) |
32 |
(d) |
12 |