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Answer:
According to the periodic table, oxygen is represented by the symbol O. It has an atomic number of eight because its nucleus contains eight protons.
O represents the element Oxygen on the periodic table.
Characteristics of Oxygen
- Colorless, Odorless Gas - In its molecular form (O₂), oxygen is a colorless, tasteless, and odorless gas under standard conditions.
- Highly Reactive - Oxygen is a highly reactive nonmetal and an oxidizing agent that readily forms compounds, especially oxides, with most elements.
- Vital for Respiration - Oxygen is essential for cellular respiration in aerobic organisms, which use it to extract energy from nutrients.
Importance of Oxygen
- Biological Necessity - Oxygen is critical for life on Earth. It is necessary for the respiration process in most living organisms, including humans, where it helps to release energy from food.
- Industrial Uses - Oxygen is used extensively in industry, including in steelmaking, welding, and as a component in various chemical processes.
- Environmental Role - Oxygen is a key part of the Earth's atmosphere and plays a crucial role in the ozone layer, which protects the planet from harmful ultraviolet radiation.
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