Phosphorus
Contents
Key Stage 2
Meaning
Phosphorus is a solid.
Key Stage 3
Meaning
Phosphorus is a Group 5 non-metal element, on the Periodic Table, with an atomic number of 15.
About Phosphorus
- Phosphorus has the chemical symbol P.
Molecular Structure
- The chemical formula for a Phosphorus molecule is P4.
Atomic Structure
- Phosphorus has 15 protons and 16 neutrons in its nucleus giving it an atomic number of 15 and a atomic mass of 31.
- Phosphorus is in Period 3 of the Periodic Table because it has 3 electron shells.
Properties
- Phosphorus is a solid at room temperature.
- Phosphorus reacts rapidly in the presence of Oxygen and it used in matches.
Key Stage 4
A 2 dimensional representation of the Bohr Model of a Phosphorus-31 isotope with 15 protons and 16 neutrons in the nucleus and 2 electrons in the first shell, 8 in the second and 5 in the outer shell.
Meaning
Phosphorus is a Group 5 non-metal element, on the Periodic Table, with 15 protons in the nucleus.
About Phosphorus
- Phosphorus has the chemical symbol P.
Molecular Structure
- The chemical formula for a Phosphorus molecule is P4.
- Phosphorus forms a covalent bond with 3 other Phosphorus atoms to produce a simple covalent molecule.
Atomic Structure
- The most common stable isotope of Phosphorus has 16 neutrons in its nucleus giving it an atomic mass of 31.
- Phosphorus is in Period 3 of the Periodic Table because it has 3 electron shells.
- Phosphorus has 5 electrons in its outer shell and needs 3 more electrons to get a full outer shell so it can form 3 bonds with other atoms.
Properties
- Phosphorus is solid at standard temperature and pressure.
- Phosphorus is highly reactive in the presence of Oxygen.