Oxygen

Oxygen

Atomic number 8

Atomic weight 15.9994

Discovery (year) 1774

Atomic radius (A) 0.61

Melting point (^oC) -218.4

Boiling point (^oC) -182.97

Density (g/cm³) 1.429

Specific heat (cal/g ^oC) 0.218

Ionization potential (eV) 13.618

Electron Affinity (eV) 1.462

Atomic number	8
Atomic weight	15.9994
Discovery (year)	1774
Atomic radius (A)	0.61
Melting point (^oC)	-218.4
Boiling point (^oC)	-182.97
Density (g/cm³)	1.429
Specific heat (cal/g ^oC)	0.218
Ionization potential (eV)	13.618
Electron Affinity (eV)	1.462