Difference between revisions of "Argon"
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==Key Stage 3== | ==Key Stage 3== | ||
===Meaning=== | ===Meaning=== | ||
| − | [[File: | + | [[File:ArgonSymbol1.png|right|300px|thumb|The [[Chemical Symbol|chemical symbol]] for [[Argon]].]] |
[[Argon]] is a [[Group 0]] [[element]], on the [[Periodic Table]], with an [[Atomic Number|atomic number]] of 18. | [[Argon]] is a [[Group 0]] [[element]], on the [[Periodic Table]], with an [[Atomic Number|atomic number]] of 18. | ||
===About Argon=== | ===About Argon=== | ||
Revision as of 21:19, 2 April 2019
Contents
Key Stage 2
Meaning
Key Stage 3
Meaning
Argon is a Group 0 element, on the Periodic Table, with an atomic number of 18.
About Argon
- Argon has the chemical formula Ar.
- 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, on the Periodic Table, with 18 protons in the nucleus.
About Argon
- Argon has the chemical formula Ar.
- 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. | |
