Question

What is Oxygen?. . . . . .​

Answer 1

• Oxygen is a chemical element. It has the symbol O and atomic number 8. It is the third most common element in the universe, after hydrogen and helium. Oxygen is more than a fifth of the Earth's atmosphere by volume. In the air, two oxygen atoms usually join to make dioxygen (O.
• As the property of gases having no shape and volume, oxygen do not have a fixed shape or volume. Oxygen flows from areas of higher to lower concentrations. Hence for these reasons oxygen remains as gas.

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Answer 2

Answer:

Oxygen is a chemical element. It has the symbol O and atomic number 8. It is the third most common element in the universe, after hydrogen and helium. Oxygen is more than a fifth of the Earth's atmosphere by volume. In the air, two oxygen atoms usually join to make dioxygen (O.

As the property of gases having no shape and volume, oxygen do not have a fixed shape or volume. Oxygen flows from areas of higher to lower concentrations. Hence for these reasons oxygen remains as gas.

Explanation:

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