Question

answer the following based on period:-

I) what happens to the number of shells?
2) how do atomic radii change in a period?
3) how does nature of oxides change?
4) how does valency change as we move from left to right?
5) write the symbols in the increasing order of nuclear charge in 3rd period?

Answer 1

no of shells increase atomic radii Inc nature of oxide do not change valency increases shell by shell

Answer 2

1.increases
2.because of increase in no of shells it changes
3.
4.
5.