MCQ
The group in which all the elements do not have same number electrons in their valence shell is :
- ✓Zero
- BSecond
- CFirst
- DSeventh
✓
Answer
Correct option: A.
Zero
In the zeroth group all the elements do not have same number electrons in their valence shell.
Zero group elements are inert elements.
Helium has $2$ electrons and the rest of the group has $8$ elements.
Zero group elements are inert elements.
Helium has $2$ electrons and the rest of the group has $8$ elements.
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