MCQ
Which of the following statement is wrong
- ✓No inert gas is present in $7^{th}$ period
- B$3^{rd}$ period contains $18$ elements
- C$1^{st}$ period contains two non metals
- DIn $p-$ block, metal, nonmetal and metalloids are present
✓
Answer
Correct option: A.
No inert gas is present in $7^{th}$ period
a
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