Kr

Krypton

Atomic Number 36 · Sealed discharge tube

A noble gas that produces a brilliant white light in discharge tubes. Not Superman's home planet, but still cool.

Atomic Mass

83.798 u

Category

Noble Gas

Phase (STP)

Gas

Density

0.003733 g/cm³

Melting Point

-157.36 °C

Boiling Point

-153.22 °C

Electronegativity

3.0 (Pauling)

Atomic Radius

88 pm

Electron Configuration

[Ar] 3d10 4s2 4p6

Discovered

1898 — William Ramsay

Find Krypton Samples

Sample form: Sealed discharge tube

Luciteria Science

Premium element samples in acrylic cubes

Engineered Labs

Element collections and periodic table displays

Various element samples and collections

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