1
CHEMISTRY - X
ATOMIC STRUCTURE
5. Consider the ground state of Cr atom (Z = 24). The number of electrons with the azimuthal quantum
numbers, l
= 1 and 2 are respectively :
(AIEEE2004) [ ]
a) 12 and 4
b) 12 and 5
c) 16 and 4
d) 16 and 5
5th orbitis (AIFFE 2006)
Answers
Answered by
1
Explanation:
The configuration of Cr is 1s
2
,2s
2
,2p
6
,3s
2
,3p
6
,4s
2
,3d
4
.
l=1 corresponds to p subshell. in the p subshell, there are 12 electrons. 2p
6
+3p
6
.
Similarly for l=2, there are 4 electrons. 3d
4
.
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