Difference between revisions of "Argon"
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| − | | style="height:20px; width:200px; text-align:center;" colspan = "2"|[[Argon]] always has | + | | style="height:20px; width:200px; text-align:center;" colspan = "2"|[[Argon]] always has 18 [[proton]]s. The most [[Stable Isotope|stable]] [[isotope]] has 22 [[neutron]]s. |
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Revision as of 12:53, 31 March 2019
Contents
Key Stage 2
Meaning
Key Stage 3
Meaning
File:ArgonSymbol.png
The chemical symbol for Argon.
Argon is a Group 0 element 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. | |
