Question

what is oxygen ?

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Answer 1

Answer:

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.

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Answer 2

Answer:

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• Oxygen is a non-metal element that is a gas at room temperature. Its molecules contain two oxygen atoms.

• Oxygen is vital for respiration, which is the process that transfers energy from glucose to cells.

• Oxygen is necessary for burning to occur. However, burning will only happen when the mixture of fuel and oxygen is hot enough