BY: Sawyer Jenkins

Oxygen Facts!

The symbol for oxygen is O. Its atomic number is 8, atomic mass is 8. It has 8 protons,neutrons,and electrons. The melting point is -218 degrees celcius. The boiling point is -183 degrees celcius. Its normal phase is a gas. The cost for oxygen is .3 cents per 100 grams! Oxygen is a nonmetal and belongs to the chalcogens family. The name "oxygen" came from the Greek words of "gennan" which means generate, and "oxus" which means acid. Carl Scheele discovered oxygen in 1773, and Joseph Priestley discovered it in 1774.

Interesting facts about Oxygen!

1. 21% of the air is oxygen.