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- Name: Oxygen
- Symbol: O
- Atomic Number: 8
- Atomic Weight: 15.999 u
- Period: 2
- Group: 16
22 Oxygen Facts for Kids
- Oxygen is a chemical element on the periodic table.
- Oxygen was discovered in 1771, by Swedish pharmacist Carl Wilhelm Scheele.
- Oxygen was given its name in 1777, by French chemist Antoine Lavoisier.
- Oxygen is a gas at room temperature.
- Oxygen is odorless, tasteless and colorless.
- The symbol for oxygen is O.
- The atomic number for oxygen is 8.
- The standard atomic weight for oxygen is 15.999 u.
- Oxygen is in the reactive nonmetal element category on the periodic table.
- Oxygen is a period 2 chemical element, which is the second row on the periodic table.
- Oxygen is a group 16 chemical element, which is the chalcogen group.
- Oxygen has three stable isotopes and they are 16O, 17O and 18O.
- The melting point for oxygen is -361.82 °F (-218.79 °C).
- The boiling point for oxygen is -297.332 °F (-182.692 °C).
- Oxygen is the 3rd most abundant element found in the universe.
- Oxygen makes up between 20 and 21% of the Earth’s atmosphere.
- Most living organisms on Earth need to breathe oxygen to live.
- Oxygen has medicinal purposes and is used to treat people with respiratory and heart issues.
- Oxygen has industrial purposes and is used in the steel making process.
- Oxygen is used in space travel, underwater diving and submarines.
- Water is made up of two-parts hydrogen and one-part oxygen.
- Plants produce oxygen through a process known as photosynthesis.
Additional Resources on Oxygen
- Facts About Oxygen – Find more oxygen facts for kids on the Live Science website.
- Oxygen – RSC – Read more about oxygen on the Royal Society of Chemistry website.
- Oxygen – Britannica – Learn more about the oxygen chemical element on the Britannica website.
- Oxygen – Wikipedia – Discover some facts you didn’t know about oxygen on the Wikipedia website.