Antimony
Contents
Key Stage 2
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 Iodine
- 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.
- Antimony loses electrons to form positive metal ions.
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.