Connecting Chemistry

Chromium

Atomic symbol: Cr
Atomic number: 24
Atomic mass: 52.00

Appearance: Hard, steely-grey solid at 25°C

Group: 6
Period: 4
Series: Transition metals
Block: d
Electron configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁵ 4s¹

Chromium compounds are intensely colored.

Third hardest element after carbon (diamond) and boron.

Fun Fact! Chromium, due to its anti-corrosive nature, is added to steel to give it its stainless property.

https://en.wikipedia.org/wiki/Chromium