Contents
Key Stage 2
Meaning
Key Stage 3
Meaning
Thulium is a Lanthanide metal element, on the Periodic Table, with an atomic number of 69.
About Thulium
Molecular Structure
- Thulium has the chemical symbol Tm.
- Thulium atoms join together in large numbers to form a giant metal molecule.
Atomic Structure
- Thulium as 69 protons and 100 neutrons in its nucleus giving it an Atomic Number of 69 and an atomic mass of 169.
- Thulium is in Period 6 of the Periodic Table because it has 6 electron shells.
Properties
- Thulium is a metal element so it is a good thermal conductor and a good electrical conductor.
- Thulium is a shiny solid at room temperature.
- Thulium is malleable.
- Thulium is sonorous.
- Thulium is ductile.
Key Stage 4
Meaning
Thulium is a Lanthanide metal element, on the Periodic Table, with 69 protons in the nucleus.
About Thulium
Molecular Structure
- Thulium has the chemical formula Tm.
- Thulium atoms join together in a giant metallic structure.
Atomic Structure
- The most stable isotope of Thulium has 100 neutrons in its nucleus giving it an atomic mass of 169.
- Thulium is in Period 6 of the Periodic Table because it has 6 electron shells.
- Thulium loses electrons to form positive metal ions.
Properties
- Thulium forms ionic bonds with non-metals.
- Thulium is a metal element so it is a good thermal conductor and a good electrical conductor.
- Thulium is a shiny solid at standard temperature and pressure and has a high melting point.
- Thulium is malleable.
- Thulium is sonorous.
- Thulium is ductile.