Tardigrade
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Tardigrade
Question
Chemistry
The element with electronic configuration of its atom 1s2,2s2,2p6,3s2,3p6,3d10,4s1 is:
Q. The element with electronic configuration of its atom
1
s
2
,
2
s
2
,
2
p
6
,
3
s
2
,
3
p
6
,
3
d
10
,
4
s
1
is:
2006
277
KEAM
KEAM 2000
Report Error
A
F
e
B
C
o
C
N
i
D
Z
n
E
C
u
Solution:
The element has 29 electrons, with electronic configuration
1
s
2
,
2
s
2
,
2
p
6
,
3
s
2
,
3
p
6
,
3
d
10
,
4
s
1
is copper. Its atomic number is 29.