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Antimony

Key Stage 2

Meaning

Antimony is a solid.

Key Stage 3

Meaning

Antimony is a Group 5 metalloid element, on the Periodic Table, with an atomic number of 51.

About Antimony

Antimony has the chemical symbol Sb.

Atomic Structure

Antimony as 51 protons and 71 neutrons in its nucleus giving it an Atomic Number of 51 and an atomic mass of 122.
Antimony is in Period 5 of the Periodic Table because it has 5 electron shells.

Properties

Antimony is a shiny solid at room temperature.

Key Stage 4

Meaning

Antimony is a Group 5 metalloid element, on the Periodic Table, with 51 protons in the nucleus.

About Antimony

Antimony has the chemical symbol Sb.

Atomic Structure

The most stable isotope of Antimony has 71 neutrons in its nucleus giving it an atomic mass of 122.
Antimony is in Period 5 of the Periodic Table because it has 5 electron shells.

Properties

Antimony is a metalloid element so in some conditions it is an electrical conductor.
Antimony is a shiny solid at standard temperature and pressure and has a high melting point.

References

AQA

Antimony, page 341, GCSE Chemistry; Student Book, Collins, AQA'