Question

oxygen periodic number​

Answer 1

Answer:

Oxygen (O), Group 16, Atomic Number 8, p-block, Mass 15.999.

Period. 2

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Answer 2

Answer:

Oxygen is element No. 8 on the Periodic Table of Elements.

Symbol: O

Atomic mass: 15.999 u

Electrons per shell: 2, 6

Atomic number: 8

Electron configuration: [He] 2s²2p⁴

Discovered: 1772

Discoverers: Joseph Priestley, Antoine Lavoisier, Carl Wilhelm Scheele, Edwin McMillan

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