Neptunium
Contents
Key Stage 2
Meaning
Key Stage 3
Meaning
Neptunium is a Actinide metal element, on the Periodic Table, with an atomic number of 93.
About Neptunium
Molecular Structure
- Neptunium has the chemical symbol Np.
- Neptunium atoms join together in large numbers to form a giant metal molecule.
Atomic Structure
- Neptunium as 93 protons and 144 neutrons in its nucleus giving it an Atomic Number of 93 and an atomic mass of 237.
- Neptunium is in Period 7 of the Periodic Table because it has 7 electron shells.
Properties
- Neptunium is a metal element so it is a good thermal conductor and a good electrical conductor.
- Neptunium is a shiny solid at room temperature.
- Neptunium is malleable.
- Neptunium is sonorous.
- Neptunium is ductile.
Key Stage 4
Meaning
Neptunium is a Actinide metal element, on the Periodic Table, with 93 protons in the nucleus.
About Neptunium
Molecular Structure
- Neptunium has the chemical formula Np.
- Neptunium atoms join together in a giant metallic structure.
Atomic Structure
- The most stable isotope of Neptunium has 144 neutrons in its nucleus giving it an atomic mass of 237.
- Neptunium is in Period 7 of the Periodic Table because it has 7 electron shells.
- Neptunium loses electrons to form positive metal ions.
Properties
- Neptunium forms ionic bonds with non-metals.
- Neptunium is a metal element so it is a good thermal conductor and a good electrical conductor.
- Neptunium is a shiny solid at standard temperature and pressure and has a high melting point.
- Neptunium is malleable.
- Neptunium is sonorous.
- Neptunium is ductile.