Question

state the no of valency electrons in atom j

which element shown forms ions with single negative charge

which metallic element is more reactive than R

which element has its electrons arranged in 4 shells​

Answer 1

Answer:

1.j is a member of 15th group.

so it has 5 valence electrons.

2. M forms ions with single negative charge.

3.Q is the metallic element which is more reactive than R.

4.T has 4 shells as it is in 4th period

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