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Cadmium

Key Stage 2

Meaning

Cadmium is a metal.

Key Stage 3

Meaning

Cadmium is a transition metal element, on the Periodic Table, with an atomic number of 48.

About Cadmium

Molecular Structure

Cadmium has the chemical symbol Cd.
Cadmium atoms join together in large numbers to form a giant metal molecule.

Atomic Structure

Cadmium as 48 protons and 64 neutrons in its nucleus giving it an Atomic Number of 48 and an atomic mass of 112.
Cadmium is in Period 5 of the Periodic Table because it has 5 electron shells.

Properties

Cadmium is a metal element so it is a good thermal conductor and a good electrical conductor.
Cadmium is a shiny solid at room temperature.
Cadmium is malleable.
Cadmium is sonorous.
Cadmium is ductile.

Key Stage 4

Meaning

Cadmium is a transition metal element, on the Periodic Table, with 48 protons in the nucleus.

About Cadmium

Molecular Structure

Cadmium has the chemical formula Cd.
Cadmium atoms join together in a giant metallic structure.

Atomic Structure

The most stable isotope of Cadmium has 64 neutrons in its nucleus giving it an atomic mass of 112.
Cadmium is in Period 5 of the Periodic Table because it has 5 electron shells.
Cadmium loses electrons to form positive metal ions.

Properties

Cadmium forms ionic bonds with non-metals.
Cadmium is a metal element so it is a good thermal conductor and a good electrical conductor.
Cadmium is a shiny solid at standard temperature and pressure and has a high melting point.
Cadmium is malleable.
Cadmium is sonorous.
Cadmium is ductile.

References

AQA

Cadmium, page 191, GCSE Chemistry; Third Edition, Oxford University Press, AQA