Difference between revisions of "Indium"
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[[Indium]] is a [[Group 3]] [[metal]] [[element]], on the [[Periodic Table]], with 49 [[proton]]s in the [[Atomic Nucleus|nucleus]]. | [[Indium]] is a [[Group 3]] [[metal]] [[element]], on the [[Periodic Table]], with 49 [[proton]]s in the [[Atomic Nucleus|nucleus]]. | ||
| − | ===About | + | ===About Indium=== |
====Molecular Structure==== | ====Molecular Structure==== | ||
: [[Indium]] has the [[Chemical Formula|chemical formula]] [[Indium|In]]. | : [[Indium]] has the [[Chemical Formula|chemical formula]] [[Indium|In]]. | ||
Revision as of 21:17, 1 April 2019
Contents
Key Stage 2
Meaning
Key Stage 3
Meaning
File:IndiumSymbol.png
The chemical symbol for Indium.
Indium is a Group 3 metal element, on the Periodic Table, with an atomic number of 49.
About Indium
Molecular Structure
- Indium has the chemical symbol In.
- Indium atoms join together in large numbers to form a giant metal molecule.
Atomic Structure
- Indium as 49 protons and 66 neutrons in its nucleus giving it an Atomic Number of 49 and an atomic mass of 115.
- Indium is in Period 5 of the Periodic Table because it has 5 electron shells.
Properties
- Indium is a metal element so it is a good thermal conductor and a good electrical conductor.
- Indium is a shiny solid at room temperature.
- Indium is malleable.
- Indium is sonorous.
- Indium is ductile.
Key Stage 4
Meaning
Indium is a Group 3 metal element, on the Periodic Table, with 49 protons in the nucleus.
About Indium
Molecular Structure
- Indium has the chemical formula In.
- Indium atoms join together in a giant metallic structure.
Atomic Structure
- The most stable isotope of Indium has 66 neutrons in its nucleus giving it an atomic mass of 115.
- Indium is in Period 5 of the Periodic Table because it has 5 electron shells.
- Indium loses electrons to form positive metal ions.
Properties
- Indium forms ionic bonds with non-metals.
- Indium is a metal element so it is a good thermal conductor and a good electrical conductor.
- Indium is a shiny solid at standard temperature and pressure and has a high melting point.
- Indium is malleable.
- Indium is sonorous.
- Indium is ductile.