Question

Which element bas:
a.Thrice as many electron s in its second shell as in its first shell.?

b.A total of three shells ,with seven electron s in its valenc shell?

c. A total of two shells ,with five electron in its valence shell?

d.The electronic configuration of 2,8,2

e.Three shells,all of which are completely filled with electrons???
Pls answer this if ur r Chemistry master.....

Answer 1

1) Oxygen

2) Chlorine

3)Nitrogen

4) Magnesium

5)Argon.

Hope it helped ❤️

Answer 2

a oxygen

b sodium

c nitrogen

d magnesium

e argon