Contents
Key Stage 2
Meaning
Key Stage 3
Meaning
Erbium is a Lanthanide metal element, on the Periodic Table, with an atomic number of 68.
About Erbium
Molecular Structure
- Erbium has the chemical symbol Er.
- Erbium atoms join together in large numbers to form a giant metal molecule.
Atomic Structure
- Erbium as 68 protons and 99 neutrons in its nucleus giving it an Atomic Number of 68 and an atomic mass of 167.
- Erbium is in Period 6 of the Periodic Table because it has 6 electron shells.
Properties
- Erbium is a metal element so it is a good thermal conductor and a good electrical conductor.
- Erbium is a shiny solid at room temperature.
- Erbium is malleable.
- Erbium is sonorous.
- Erbium is ductile.
Key Stage 4
Meaning
Erbium is a Lanthanide metal element, on the Periodic Table, with 68 protons in the nucleus.
About Erbium
Molecular Structure
- Erbium has the chemical formula Er.
- Erbium atoms join together in a giant metallic structure.
Atomic Structure
- The most stable isotope of Erbium has 99 neutrons in its nucleus giving it an atomic mass of 167.
- Erbium is in Period 6 of the Periodic Table because it has 6 electron shells.
- Erbium loses electrons to form positive metal ions.
Properties
- Erbium forms ionic bonds with non-metals.
- Erbium is a metal element so it is a good thermal conductor and a good electrical conductor.
- Erbium is a shiny solid at standard temperature and pressure and has a high melting point.
- Erbium is malleable.
- Erbium is sonorous.
- Erbium is ductile.