Oxygen

symbol-O

Atomic Number-8

Average Atomic Mass - 15,999

Number of Protons - 8

Number of Electrons - 6

Electron Configuration - 2s² 2p⁴

Melting Point - -298.8 celcius

Boiling Point - -183 celcius

Normal Phase @ 25 celcius - gas

Oxygen is a nonmetal

Oxygen is in group 16 and period 2 on the periodic table.

The origin of the name came from the Greek word oxygenes meaning acid producer.

Oxygen was discovered by Joseph Priestly Klaproth in the year 1774.

interesting facts about Oxygen

"Explosion" by kevin dooley is marked with CC BY 2.0.