Question

is it 2 ,8 ,8 or 2 8 18 electronic configuration no spam pls tell i forgot and idk Gogle also have multiple answer​

Answer 1

Answer:

Think about argon (Ar). It has 18 electrons set up in a 2-8-8 order. Scandium (Sc) is only 3 spots away with 21 electrons, but it has a configuration of 2-8-9-2. ... You will find it's usually 2, 8, 18 or 32 for the maximum number of electrons in an orbital.

Answer 2

Answer:-

2,8,18 Electronic Configuration

Explanation:-

since no.of elections in a shell =2n^2 (where n=1,2,3,.....)