Difference between revisions of "Oxygen"
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[[Oxygen]] is a [[non-metal]] [[element]], on the [[Periodic Table]], with 8 [[proton]]s in the [[Atomic Nucleus|nucleus]]. | [[Oxygen]] is a [[non-metal]] [[element]], on the [[Periodic Table]], with 8 [[proton]]s in the [[Atomic Nucleus|nucleus]]. | ||
− | ===About | + | ===About Oxygen=== |
: [[Oxygen]] makes up 21% of the [[air]]. | : [[Oxygen]] makes up 21% of the [[air]]. | ||
: [[Oxygen]] has the [[Chemical Symbol|chemical symbol]] [[Oxygen|O]]. | : [[Oxygen]] has the [[Chemical Symbol|chemical symbol]] [[Oxygen|O]]. |
Revision as of 09:34, 2 April 2019
Contents
Key Stage 2
Meaning
Key Stage 3
Meaning
Oxygen is a non-metal element, on the Periodic Table, with an atomic number of 8.
About Oxygen
- Oxygen makes up 21% of the air.
- Oxygen has the chemical symbol O.
Molecular Structure
- Oxygen has the chemical formula for a Oxygen molecule is O2.
Atomic Structure
- Oxygen has 8 protons and 8 neutrons in its nucleus giving it an atomic number of 8 and a atomic mass of 16.
- Oxygen is in Period 2 of the Periodic Table because it has 2 electron shells.
Properties
- Oxygen is a gas at room temperature.
Key Stage 4
Meaning
Oxygen is a non-metal element, on the Periodic Table, with 8 protons in the nucleus.
About Oxygen
- Oxygen makes up 21% of the air.
- Oxygen has the chemical symbol O.
Molecular Structure
- The chemical formula for an Oxygen molecule is O2.
- Oxygen forms a covalent bond with another Oxygen atoms to produce a simple covalent molecule.
Atomic Structure
- The most common stable isotope of Oxygen has 8 neutrons in its nucleus giving it an atomic mass of 16.
- Oxygen is in Period 2 of the Periodic Table because it has 2 electron shells.
- Oxygen has 6 electrons in its outer shell and needs 2 more to get a full outer shell so it can form 2 bonds with other atoms.