Difference between revisions of "Aluminium"
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===Meaning=== | ===Meaning=== | ||
[[Aluminium]] is a [[Group 3]] [[metal]] [[element]], on the [[Periodic Table]], with 13 [[proton]]s in the [[Atomic Nucleus|nucleus]]. | [[Aluminium]] is a [[Group 3]] [[metal]] [[element]], on the [[Periodic Table]], with 13 [[proton]]s in the [[Atomic Nucleus|nucleus]]. | ||
| − | ===About | + | ===About Aluminium=== |
====Molecular Structure==== | ====Molecular Structure==== | ||
: [[Aluminium]] has the [[Chemical Formula|chemical formula]] [[Aluminium|Al]]. | : [[Aluminium]] has the [[Chemical Formula|chemical formula]] [[Aluminium|Al]]. | ||
Revision as of 21:01, 1 April 2019
Contents
Key Stage 2
Meaning
Key Stage 3
Meaning
Aluminium is a Group 3 metal element, on the Periodic Table, with an atomic number of 13.
About Aluminium
Molecular Structure
- Aluminium has the chemical symbol Al.
- Aluminium atoms join together in large numbers to form a giant metal molecule.
Atomic Structure
- Aluminium as 13 protons and 14 neutrons in its nucleus giving it an Atomic Number of 13 and an atomic mass of 27.
- Aluminium is in Period 3 of the Periodic Table because it has 3 electron shells.
Properties
- Aluminium is a metal element so it is a good thermal conductor and a good electrical conductor.
- Aluminium is a shiny solid at room temperature.
- Aluminium is malleable.
- Aluminium is sonorous.
- Aluminium is ductile.
Key Stage 4
Meaning
Aluminium is a Group 3 metal element, on the Periodic Table, with 13 protons in the nucleus.
About Aluminium
Molecular Structure
- Aluminium has the chemical formula Al.
- Aluminium atoms join together in a giant metallic structure.
Atomic Structure
- The most stable isotope of Aluminium has 14 neutrons in its nucleus giving it an atomic mass of 27.
- Aluminium is in Period 3 of the Periodic Table because it has 3 electron shells.
- Aluminium loses electrons to form positive metal ions.
Properties
- Aluminium forms ionic bonds with non-metals.
- Aluminium is a metal element so it is a good thermal conductor and a good electrical conductor.
- Aluminium is a shiny solid at standard temperature and pressure and has a high melting point.
- Aluminium is malleable.
- Aluminium is sonorous.
- Aluminium is ductile.