The periodic table/Krypton

Quick Facts
Name: Krypton atom

Symbol: Kr

Mass: 84

Classification: Group 0 (Noble Gases)

Protons: 36

Electrons: 36

Neutrons: 48

Color: whitish

Discovered in: 1898

Crystal Structure: Cubic

Melting Point: -157.2 °C

Boiling Point: -153.4 °C

Common Uses: Fluorescent Lights, Photographic Flash Lamps, Gas Discharge Lamps