Q.
Match the Column I with Column II and select the correct option.
Column I (Atomic no.)
Column II (Position in periodic table)
(A)
52
(1)
$s-$ block
(B)
56
(2)
$p-$ block
(C)
57
(3)
$d- $ block
(D)
60
(4)
$f-$ block
| Column I (Atomic no.) | Column II (Position in periodic table) | ||
|---|---|---|---|
| (A) | 52 | (1) | $s-$ block |
| (B) | 56 | (2) | $p-$ block |
| (C) | 57 | (3) | $d- $ block |
| (D) | 60 | (4) | $f-$ block |
Classification of Elements and Periodicity in Properties
Solution:
Atomic number
E.C.
Block
(A) 52
$[ Kr ] 5 s^{2} 4 d^{10} 5 p^{4}$
$p-$ block $ (2)$
(B) 56
$ [Xe] 6 s^{2}$
$s-$ block $(1)$
(C) 57
$[ Xe ] 6 s^{2} 5 d^{1}$
$d-$ block $(3)$
(D) 60
$[ Xe ] 6 s^{2} 4 f^{4}$
$f-$ block $(4)$
| Atomic number | E.C. | Block |
|---|---|---|
| (A) 52 | $[ Kr ] 5 s^{2} 4 d^{10} 5 p^{4}$ | $p-$ block $ (2)$ |
| (B) 56 | $ [Xe] 6 s^{2}$ | $s-$ block $(1)$ |
| (C) 57 | $[ Xe ] 6 s^{2} 5 d^{1}$ | $d-$ block $(3)$ |
| (D) 60 | $[ Xe ] 6 s^{2} 4 f^{4}$ | $f-$ block $(4)$ |