|
Which pair of atomic number represents s-block elements? |
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|
(a) |
7, 15 |
(b) |
6, 14 |
(c) |
9, 17 |
(d) |
4, 12 |
|
Which pair of atomic number represents s-block elements? |
|||||||
|
(a) |
7, 15 |
(b) |
6, 14 |
(c) |
9, 17 |
(d) |
4, 12 |