Question

An ion M3+ has 2 electrons in K shell and 8 electrons in L shell.
Which has stable electronic configuration Mor M3+?
Justify.​

Answer 1

Thus, atomic number of the element will be 18.

And electronic configuration of the element can be given as:

1s

2

2s

2

2p

6

3s

2

3p

6

please delete my all questions I will give 100+ thanks