Question
Chemistry Question on trends in periodic table
Which one of the following is correct for all elements from Sc to Cu ?
A
The lowest oxidation state shown by them is +2
B
4S orbital is completely filled in the ground state
C
3d orbital is not completely filled in the ground state
D
The ions in +2 oxidation states are paramagnetic
Answer
The ions in +2 oxidation states are paramagnetic
Explanation
Solution
The correct answer is (D) : The ions in +2 oxidation states are paramagnetic.