Protactinium
Contents
Key Stage 2
Meaning
Protactinium is a metal.
Key Stage 3
Meaning
Protactinium is a Actinide metal element, on the Periodic Table, with an atomic number of 91.
About Protactinium
Molecular Structure
- Protactinium has the chemical symbol Pa.
- Protactinium atoms join together in large numbers to form a giant metal molecule.
Atomic Structure
- Protactinium as 91 protons and 140 neutrons in its nucleus giving it an Atomic Number of 91 and an atomic mass of 231.
- Protactinium is in Period 7 of the Periodic Table because it has 7 electron shells.
Properties
- Protactinium is a metal element so it is a good thermal conductor and a good electrical conductor.
- Protactinium is a shiny solid at room temperature.
- Protactinium is malleable.
- Protactinium is sonorous.
- Protactinium is ductile.
Key Stage 4
Meaning
Protactinium is a Actinide metal element, on the Periodic Table, with 91 protons in the nucleus.
About Protactinium
Molecular Structure
- Protactinium has the chemical formula Pa.
- Protactinium atoms join together in a giant metallic structure.
Atomic Structure
- The most stable isotope of Protactinium has 140 neutrons in its nucleus giving it an atomic mass of 231.
- Protactinium is in Period 7 of the Periodic Table because it has 7 electron shells.
- Protactinium loses electrons to form positive metal ions.
Properties
- Protactinium forms ionic bonds with non-metals.
- Protactinium is a metal element so it is a good thermal conductor and a good electrical conductor.
- Protactinium is a shiny solid at standard temperature and pressure and has a high melting point.
- Protactinium is malleable.
- Protactinium is sonorous.
- Protactinium is ductile.