jhyllianchryslere
Oxygen is the chemical element with the symbol O and atomic number 8. It is a member of the chalcogen group in the periodic table, a highly reactive nonmetal, and an oxidizing agent that readily forms oxides with most elements as well as with other compounds.
jhyllianchryslere
Symbol: O Atomic mass: 15.999 u Electron configuration: [He] 2s²2p⁴ Atomic number: 8 Electronegativity: 3.44 Electrons per shell: 2, 6
Answers & Comments
Answer:
C. 15.99%
Explanation:
Atomic mass: 15.999 u
Electron configuration: [He] 2s²2p⁴
Atomic number: 8
Electronegativity: 3.44
Electrons per shell: 2, 6