Difference between revisions of "Oxygen"
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+ | ==Key Stage 2== | ||
+ | ===Meaning=== | ||
+ | [[Oxygen]] is a [[gas]] in the [[air]]. | ||
+ | |||
+ | ==Key Stage 3== | ||
+ | ===Meaning=== | ||
+ | [[Oxygen]] is a [[non-metal]] [[element]], on the [[Periodic Table]], with an [[Atomic Number|atomic number]] of 8. | ||
+ | |||
+ | ===About Oxygen=== | ||
+ | : [[Oxygen]] makes up 21% of the [[air]]. | ||
+ | : [[Oxygen]] has the [[Chemical Symbol|chemical symbol]] [[Oxygen|O]]. | ||
+ | ====Molecular Structure==== | ||
+ | : [[Oxygen]] has the [[Chemical Formula|chemical formula]] for a [[Oxygen]] [[molecule]] is [[Oxygen|O<sub>2</sub>]]. | ||
+ | ====Atomic Structure==== | ||
+ | : [[Oxygen]] has 8 [[proton]]s and 8 [[neutron]]s in its [[Atomic Nucleus|nucleus]] giving it an [[Atomic Number|atomic number]] of 8 and a [[Relative Atomic Mass|atomic mass]] of 16. | ||
+ | : [[Oxygen]] is in [[Period]] 2 of the [[Periodic Table]] because it has 2 [[Electron Orbital|electron shells]]. | ||
+ | ====Properties==== | ||
+ | : [[Oxygen]] is a [[gas]] at [[STP|room temperature]]. | ||
+ | |||
==Key Stage 4== | ==Key Stage 4== | ||
===Meaning=== | ===Meaning=== | ||
− | [[Oxygen]] | + | [[Oxygen]] is a [[non-metal]] [[element]], on the [[Periodic Table]], with 8 [[proton]]s in the [[Atomic Nucleus|nucleus]]. |
+ | |||
+ | ===About Nitrogen=== | ||
+ | : [[Oxygen]] makes up 21% of the [[air]]. | ||
+ | : [[Oxygen]] has the [[Chemical Symbol|chemical symbol]] [[Oxygen|O]]. | ||
+ | ====Molecular Structure==== | ||
+ | : The [[Chemical Formula|chemical formula]] for an [[Oxygen]] [[molecule]] is [[Oxygen|O<sub>2</sub>]]. | ||
+ | : [[Oxygen]] forms a [[Covalent Bond|covalent bond]] with another [[Oxygen]] [[atom]]s to produce a [[Simple Covalent Molecule|simple covalent molecule]]. | ||
+ | ====Atomic Structure==== | ||
+ | : The most common [[Stable Isotope|stable isotope]] of [[Oxygen]] has 8 [[neutron]]s in its [[Atomic Nucleus|nucleus]] giving it an [[Relative Atomic Mass|atomic mass]] of 16. | ||
+ | : [[Oxygen]] is in [[Period]] 2 of the [[Periodic Table]] because it has 2 [[Electron Orbital|electron shells]]. | ||
+ | : [[Oxygen]] has 6 [[electron]]s in its [[Outer Shell|outer shell]] and needs 2 more to get a full [[Outer Shell|outer shell]] so it can form 2 [[bond]]s with other [[atom]]s. | ||
+ | |||
+ | ====Properties==== | ||
+ | : [[Oxygen]] is [[gas]] at [[STP|standard temperature and pressure]]. | ||
− | ===Testing for Oxygen=== | + | ====Testing for Oxygen==== |
#Collect the [[gas]] in a [[Test Tube|test tube]]. | #Collect the [[gas]] in a [[Test Tube|test tube]]. | ||
#Place a glowing [[Wooden Splint|splint]] over the mouth of the [[Test Tube|test tube]]. | #Place a glowing [[Wooden Splint|splint]] over the mouth of the [[Test Tube|test tube]]. | ||
#If the [[Wooden Splint|splint]] relights then the [[gas]] is [[Oxygen]]. | #If the [[Wooden Splint|splint]] relights then the [[gas]] is [[Oxygen]]. |
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 Nitrogen
- 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.