Oxygen

Name: Oxygen
Symbol: O Atomic
Number: 8 Atomic Mass: 15.9994 amu
Melting Point: -218.4 °C (54.750008 K, -361.12 °F)
Boiling Point: -183.0 °C (90.15 K, -297.4 °F)
Number of Protons/Electrons: 8
Number of Neutrons: 8
Classification: Non Metal
Crystal Structure: Cubic
Density @ 293 K: 1.429 g/cm3
Color: colorless

Date of Discovery: 1774
Discoverer: Joseph Priestly
Name Origin: From the Greek words oxus (acid) and gennan (generate)
Uses: supports life
Obtained From: from liquid air