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Oxygen is a chemical element with symbol O and atomic number 8. It is a member of the chalcogen group on the periodic table and is a highly reactive nonmetallic element and oxidizing agent that readily forms compounds (notably oxides) with most elements. Photosynthesis releases oxygen, and respiration consumes oxygen.
Best Answer: All atoms are neutral. An oxygen atom is neutral. The oxygen molecule, O2 is neutral. The oxygen ion has taken on 2 additional electrons from another atom to become the O^-2 ion. Oxygen, from column 6 has 8 electrons, 2 in the first energy level[now that level is full] and 6 in the outer energy level.