Oxygen
Symbol: O
Atomic Number: 8
Atomic Mass: 16.00
Electron Configuration: 1s2 2s2 2p4
Date of Discovery: August 1, 1774
Group: 16
It makes up over 21% of Earth's atmosphere!
Atomic Number: 8
Atomic Mass: 16.00
Electron Configuration: 1s2 2s2 2p4
Date of Discovery: August 1, 1774
Group: 16
It makes up over 21% of Earth's atmosphere!
Naming Oxygen
Priestley had called his discovery "dephlogisticated air", while Scheele had called his "fire air". Antoine Lavoisier had come up with the name Oxygen.
Location on the Periodic Table
Oxygen is located next to Fluorine and Nitrogen and above Sulfur. Placed in the sixteenth group and second row, it contains six valence electrons and has an atomic mass of sixteen. It's atomic number is eight.
