Chemistry
An element X belongs to group II A and another element Y belongs to group V A of the periodic table. Which of the following could be correct?
P. Valency of Y will be 5.
Q. Element X will have 2 valence electrons.
R. Element X belongs to group number 2
- Only P
- Q
- R
- Both Q and R
Periodic Table
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Answer
Both Q and R
Reason — Q and R are correct however, P is not correct as valency of Y will be equal to = 8 - 5 = 3
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