Contents
Key Stage 2
Meaning
Key Stage 3
Meaning
File:ArgonSymbol.png
The chemical symbol for Argon.
Argon is a Group 0 element with an atomic number of 18.
About Argon
- Argon has the chemical formula Ne.
- Argon has 18 protons and 22 neutrons in its nucleus giving it an Atomic Number of 18 and an atomic mass of 40.
- Argon is a Noble Gas.
- Argon is a gas at room temperature.
- An atom of Argon has a full outer shell of 8 electrons so it is inert.
Key Stage 4
Meaning
Argon is a Group 0 element with 18 protons in the nucleus.
About Argon
- Argon has the chemical formula Ne.
- The most stable isotope of Argon has 22 neutrons in its nucleus giving it an atomic mass of 40.
- Argon is a Noble Gas.
- Argon is a gas at standard temperature and pressure.
- An atom of Argon has a full outer shell of 8 electrons so it is inert.
| Argon always has 18 protons. The most stable isotope has 22 neutrons. | |
