Q. The electronic configuration of an element M is 2, 8, 4. In modern periodic table, the element M is placed in
A. 4th group
B. 2nd group
C. 14th group
D. 18th group
Answer: 14th group
A. 4th group
B. 2nd group
C. 14th group
D. 18th group
Answer: 14th group
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