Difference between revisions of "Gold"
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==Key Stage 2== | ==Key Stage 2== | ||
| + | [[File:GoldNugget.png|right|300px|thumb|This [[Gold]] nugget was found in the ground.]] | ||
===Meaning=== | ===Meaning=== | ||
[[Gold]] is a [[metal]]. | [[Gold]] is a [[metal]]. | ||
Revision as of 16:20, 20 April 2019
Contents
Key Stage 2
This Gold nugget was found in the ground.
Meaning
Key Stage 3
Meaning
Gold is a transition metal element, on the Periodic Table, with an atomic number of 79.
About Gold
Molecular Structure
- Gold has the chemical symbol Au.
- Gold atoms join together in large numbers to form a giant metal molecule.
Atomic Structure
- Gold as 79 protons and 118 neutrons in its nucleus giving it an Atomic Number of 79 and an atomic mass of 197.
- Gold is in Period 6 of the Periodic Table because it has 6 electron shells.
Properties
- Gold is a metal element so it is a good thermal conductor and a good electrical conductor.
- Gold is a shiny solid at room temperature.
- Gold is malleable.
- Gold is sonorous.
- Gold is ductile.
Key Stage 4
Meaning
Gold is a transition metal element, on the Periodic Table, with 79 protons in the nucleus.
About Gold
Molecular Structure
- Gold has the chemical formula Au.
- Gold atoms join together in a giant metallic structure.
Atomic Structure
- The most stable isotope of Gold has 118 neutrons in its nucleus giving it an atomic mass of 197.
- Gold is in Period 6 of the Periodic Table because it has 6 electron shells.
- Gold loses electrons to form positive metal ions.
Properties
- Gold forms ionic bonds with non-metals.
- Gold is a metal element so it is a good thermal conductor and a good electrical conductor.
- Gold is a shiny solid at standard temperature and pressure and has a high melting point.
- Gold is malleable.
- Gold is sonorous.
- Gold is ductile.