Thorium
Contents
Key Stage 2
Meaning
Key Stage 3
Meaning
Thorium is a Actinide metal element, on the Periodic Table, with an atomic number of 90.
About Thorium
Molecular Structure
- Thorium has the chemical symbol Th.
- Thorium atoms join together in large numbers to form a giant metal molecule.
Atomic Structure
- Thorium as 90 protons and 142 neutrons in its nucleus giving it an Atomic Number of 90 and an atomic mass of 232.
- Thorium is in Period 7 of the Periodic Table because it has 7 electron shells.
Properties
- Thorium is a metal element so it is a good thermal conductor and a good electrical conductor.
- Thorium is a shiny solid at room temperature.
- Thorium is malleable.
- Thorium is sonorous.
- Thorium is ductile.
Key Stage 4
Meaning
Thorium is a Actinide metal element, on the Periodic Table, with 90 protons in the nucleus.
About Thorium
Molecular Structure
- Thorium has the chemical formula Th.
- Thorium atoms join together in a giant metallic structure.
Atomic Structure
- The most stable isotope of Thorium has 142 neutrons in its nucleus giving it an atomic mass of 232.
- Thorium is in Period 7 of the Periodic Table because it has 7 electron shells.
- Thorium loses electrons to form positive metal ions.
Properties
- Thorium forms ionic bonds with non-metals.
- Thorium is a metal element so it is a good thermal conductor and a good electrical conductor.
- Thorium is a shiny solid at standard temperature and pressure and has a high melting point.
- Thorium is malleable.
- Thorium is sonorous.
- Thorium is ductile.