Electron Configuration

Question 1

What order do electrons fill shells in?

Answer 1

In order of increasing n + l, or n if n + l is the same

Question 2

What is the electron configuration of Chromium?

Answer 2

[Ar] 4s1 3d5

Question 3

What is the electron configuration of Copper?

Answer 3

[Ar] 4s1 3d10

Question 4

What is unique about silver and gold’s electron configuration?

Answer 4

They both have an extra electron in the d orbital instead of s orbital