Electronic configuration of tungsten

Electrons in each shell

Tungsten has 74 electrons arranged as 2, 8, 18, 32, 12, 2 across 6 shells, which is why it sits in period 6.

How to write it

Start from the previous noble gas core, written in square brackets, then add the remaining electrons in filling order. For tungsten that gives [Xe] 4f¹⁴ 5d⁴ 6s².

Tungsten at a glance

Other elements in group 6