Difference between revisions of "Gallium"
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| − | [[File: | + | [[File:GalliumSymbol1.png|right|300px|thumb|The [[Chemical Symbol|chemical symbol]] for [[Gallium]].]] |
[[Gallium]] is a [[Group 3]] [[metal]] [[element]], on the [[Periodic Table]], with an [[Atomic Number|atomic number]] of 31. | [[Gallium]] is a [[Group 3]] [[metal]] [[element]], on the [[Periodic Table]], with an [[Atomic Number|atomic number]] of 31. | ||
Revision as of 21:21, 2 April 2019
Contents
Key Stage 2
Meaning
Key Stage 3
Meaning
Gallium is a Group 3 metal element, on the Periodic Table, with an atomic number of 31.
About Gallium
Molecular Structure
- Gallium has the chemical symbol Ga.
- Gallium atoms join together in large numbers to form a giant metal molecule.
Atomic Structure
- Gallium as 31 protons and 39 neutrons in its nucleus giving it an Atomic Number of 31 and an atomic mass of 70.
- Gallium is in Period 4 of the Periodic Table because it has 4 electron shells.
Properties
- Gallium is a metal element so it is a good thermal conductor and a good electrical conductor.
- Gallium is a shiny solid at room temperature.
- Gallium is malleable.
- Gallium is sonorous.
- Gallium is ductile.
Key Stage 4
Meaning
Gallium is a Group 3 metal element, on the Periodic Table, with 31 protons in the nucleus.
About Gallium
Molecular Structure
- Gallium has the chemical formula Ga.
- Gallium atoms join together in a giant metallic structure.
Atomic Structure
- The most stable isotope of Gallium has 39 neutrons in its nucleus giving it an atomic mass of 70.
- Gallium is in Period 4 of the Periodic Table because it has 4 electron shells.
- Gallium loses electrons to form positive metal ions.
Properties
- Gallium forms ionic bonds with non-metals.
- Gallium is a metal element so it is a good thermal conductor and a good electrical conductor.
- Gallium is a shiny solid at standard temperature and pressure but it has a low melting point of around 30 °C.
- Gallium is malleable.
- Gallium is sonorous.
- Gallium is ductile.