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Chemistry
Which one of the following is correct for all elements from Sc to Cu ?
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Q. Which one of the following is correct for all elements from $Sc$ to $Cu$ ?
KCET
KCET 2021
The d-and f-Block Elements
A
The lowest oxidation state shown by them is +2
32%
B
4 S orbital is completely filled in the ground state
5%
C
3 d orbital is not completely filled in the ground state
23%
D
The ions in +2 oxidation states are paramagnetic
40%
Solution:
Paramagnetism is due to the presence of one or more unpaired electrons