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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

  1. Only P
  2. Q
  3. R
  4. Both Q and R

Periodic Table

ICSE

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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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