Which of following statement is incorrect : - Vidyadip

MCQ

Which of following statement is incorrect :

A
Lithium and magnesium exhibit diagonal relationship
B
Elements of groups $1, 2, 13, 14, 15, 16$ and $17$ are known as representative elements
C
In $5^{th}$ period, the subshells $5s,\, 4f,\, 4d,\, 5p$ would be filled
✓
General configuration of f-Block elements is $(n -2)f^{1-14}\, (n -1)d^{0-1} \,ns^2$

✓

Answer

Correct option: D.

General configuration of f-Block elements is $(n -2)f^{1-14}\, (n -1)d^{0-1} \,ns^2$

d

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