Radon

Rn Radon

222.0176

Symbol

Atomic Number

Atomic Weight

222.0176

Element Classification

Inert Gases

Discovered By

Fredrich Ernst Dorn

Discovery Date

1898 (Germany)

Name Origin

Variation of the name of another element, radium.

Density (g/cc)

4.4 (@ -62°C)

Melting Point (K)

202

Boiling Point (K)

211.4

Appearance

Heavy radioactive gas

Atomic Radius (pm)

n/a

Atomic Volume (cc/mol)

n/a

Covalent Radius (pm)

n/a

Ionic Radius

n/a

Specific Heat

0.094

Fusion Heat (kJ/mol)

n/a

Evaporation Heat (kJ/mol)

18.1

Thermal Conductivity (@25°C W/m K)

0.0036

Debye Temperature (K)

n/a

Pauling Negativity Number

n/a

First Ionizing Energy (kJ/mol)

1036.5

Oxidation States

n/a

Electronic Configuration

[Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁶

Lattice Structure

Face-Centered Cubic(FCC)

Lattice Constant

n/a

Lattice C/A Ratio

n/a

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