Difference between revisions of "Helium"
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==Beyond the Curriculum== | ==Beyond the Curriculum== | ||
{{#ev:youtube|https://www.youtube.com/watch?v=hLUcO26Q7wE}} | {{#ev:youtube|https://www.youtube.com/watch?v=hLUcO26Q7wE}} | ||
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| + | ===References=== | ||
| + | ====AQA==== | ||
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| + | :[https://www.amazon.co.uk/gp/product/019835939X/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=019835939X&linkCode=as2&tag=nrjc-21&linkId=57e96876985fc39b1a3d8a3e3dc238b6 ''Helium, page 106, GCSE Physics; Third Edition, Oxford University Press, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/0008158770/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0008158770&linkCode=as2&tag=nrjc-21&linkId=ec31595e720e1529e49876c3866fff6e ''Helium, pages 109, 111-12, 130-1, 280-1, 283-4, 286-7, GCSE Physics; Student Book, Collins, AQA ''] | ||
Revision as of 17:13, 6 November 2019
Contents
Key Stage 2
Meaning
Key Stage 3
Meaning
Helium is a Group 0 element, on the Periodic Table, with an atomic number of 2.
About Helium
- Helium has the chemical formula He.
- Helium has two protons and two neutrons in its nucleus giving it an Atomic Number of 2 and an atomic mass of 4.
- Helium is a Noble Gas.
- Helium is a gas at room temperature.
- Helium gas is less dense than air.
- An atom of Helium has a full outer shell of two electrons so it is inert.
Key Stage 4
Meaning
Helium is a Group 0 element, on the Periodic Table, with 2 protons in the nucleus.
About Helium
- Helium has the chemical formula He.
- The most stable isotope of Helium has two neutrons in its nucleus giving it an atomic mass of 4.
- Helium is a Noble Gas.
- Helium is a gas at standard temperature and pressure.
- Helium gas is less dense than air.
- An atom of Helium has a full outer shell of two electrons so it is inert.
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| Helium always has 2 protons. The most stable isotope has 2 neutrons. | |