|
The valency of the element with atomic number 17 is |
|||||||
|
(a) |
7 |
(b) |
1 |
(c) |
7.1 |
(d) |
3.5 |
|
The valency of the element with atomic number 17 is |
|||||||
|
(a) |
7 |
(b) |
1 |
(c) |
7.1 |
(d) |
3.5 |