Question

The outer most subshell of an element has 3 shell,contain 4 electrons.
a.what is it's atomic number
b.write the complete subshell electronic configuration.
c.write the oxidation state of the element​

Answer 1

Answer:

concept:

group number⇒no. of valence electron

period number⇒no. of shells

the subshell electronic configuration is

1s

2

2s

2

2p

6

3s

2

3p

6

3d

6

4s

2

Hope it helps you ✌️