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Erbium

Key Stage 2

Meaning

Erbium is a metal.

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.