Question

electron Configuration of Ti

Answer 1

Titanium (Ti), Z = 22

- Full configuration: 1s2 2s2 2p6 3s2 3p6 3d2 4s2
- Noble-gas shorthand: [Ar] 3d2 4s2

Note: when forming cations the 4s electrons are lost first, so Ti2+ = [Ar] 3d2 and Ti3+ = [Ar] 3d1.