Oxygen

Properties

Atomic Number

8

Atomic Symbol

O

Atomic Mass

15.9994

CAS No.

7782-44-7

Density

1.429 g/l

Series

other nonmetal

Melting Point

-218.3°C

Boiling Point

-182.9°C

Thermal Conductivity

0.0002658 W/cm °C

Heat of Fusion

0.222 kJ/mol

Heat of Vaporization

3.41 kJ/mol

Electronegativity

3.44 pauling

Crystal Structure

Monoclinic