Difference between revisions of "Atomic Number"
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| style="height:20px; width:200px; text-align:center;" |[[Beryllium]] has 4 [[proton]]s so its '''atomic number''' is 4 and the [[Relative Atomic Charge|relative atomic charge]] of the [[Atomic Nucleus|nucleus]] is +4. | | style="height:20px; width:200px; text-align:center;" |[[Beryllium]] has 4 [[proton]]s so its '''atomic number''' is 4 and the [[Relative Atomic Charge|relative atomic charge]] of the [[Atomic Nucleus|nucleus]] is +4. | ||
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| + | ===References=== | ||
| + | ====AQA==== | ||
| + | :[https://www.amazon.co.uk/gp/product/1471851370/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851370&linkCode=as2&tag=nrjc-21&linkId=01c69b0ae058f809cf636033e6ba793e ''Atomic number (Z), page 89, GCSE Physics, Hodder, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/1782946403/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782946403&linkCode=as2&tag=nrjc-21&linkId=32a0abb60dff015b15b50e9b1d7b4644 ''Atomic number, page 111, GCSE Combined Science Trilogy; Physics, CGP, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/1782945970/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945970&linkCode=as2&tag=nrjc-21&linkId=a120d24dcc7cc7a58192069a3aafc1d2 ''Atomic number, page 123, GCSE Physics; The Complete 9-1 Course for AQA, CGP, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/1471851346/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851346&linkCode=as2&tag=nrjc-21&linkId=3ac654f4b0da781c49c855a1af4c92ea ''Atomic number, page 3-4, GCSE Chemistry, Hodder, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/178294558X/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=178294558X&linkCode=as2&tag=nrjc-21&linkId=f0dfb66dafcb0c6e9449e7b1a4ae1ac25 ''Atomic number, page 44, GCSE Physics; The Revision Guide, CGP, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/1471851354/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851354&linkCode=as2&tag=nrjc-21&linkId=9012a0d354024419214fb3ad5ac44ba0 ''Atomic number, pages 119, 339, GCSE Combined Science Trilogy 1, Hodder, AQA ''] | ||
| + | :[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 ''Atomic numbers, page 96, GCSE Physics; Third Edition, Oxford University Press, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/1782945571/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945571&linkCode=as2&tag=nrjc-21&linkId=9e29fad914244909903e5e93f8a01d48 ''Atomic numbers, pages 12, 13, 22, GCSE Chemistry; The Revision Guide, CGP, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/0198359381/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359381&linkCode=as2&tag=nrjc-21&linkId=47c8d1ae58d8b3a5e2094cd447154558 ''Atomic numbers, pages 14, 16, GCSE Chemistry; Third Edition, Oxford University Press, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/1782945962/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945962&linkCode=as2&tag=nrjc-21&linkId=476bb5c8d1dfb5c08ac81b6d4d1c98d8 ''Atomic numbers, pages 25, 52, GCSE Chemistry, CGP, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/178294639X/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=178294639X&linkCode=as2&tag=nrjc-21&linkId=51599bb45a2bfaf7c1b6a978b2ca2616 ''Atomic numbers, pages 25, 52, GCSE Combined Science Trilogy; Chemistry, CGP, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/1782945598/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945598&linkCode=as2&tag=nrjc-21&linkId=ad276ad49df77ab4b40ab4fd0fe09699 ''Atomic numbers, pages 96, 97, 107, 198, 199, GCSE Combined Science; The Revision Guide, CGP, AQA ''] | ||
Revision as of 09:11, 28 October 2019
Contents
Key Stage 3
Meaning
The Atomic Number is the number of protons in the nucleus of an atom.
About The Atomic Number
- The Atomic Number of an atom determines which element it is.
- The number of protons also determines the number of electrons.
Examples
| Hydrogen | Helium | Lithium | Beryllium |
 |
 |
 |
 |
 |
 |
 |
 |
| Hydrogen has 1 proton so its atomic number is 1. | Helium has 2 protons so its atomic number is 2. | Lithium has 3 protons so its atomic number is 3. | Beryllium has 4 protons so its atomic number is 4. |
Key Stage 4
Meaning
The Atomic Number is the number of protons in the nucleus of an atom.
About The Atomic Number
- The Atomic Number of an atom determines which element it is.
- Protons have a relative atomic charge of +1 so the number of protons determines the relative atomic charge of the atomic nucleus.
- The number of electrons orbiting the nucleus is the same as the number of protons in the nucleus of an atom.
Examples
| Hydrogen | Helium | Lithium | Beryllium |
|
|
|
|
|
|
|
|
| Hydrogen has 1 proton so its atomic number is 1 and the relative atomic charge of the nucleus is +1. | Helium has 2 protons so its atomic number is 2 and the relative atomic charge of the nucleus is +2. | Lithium has 3 protons so its atomic number is 3 and the relative atomic charge of the nucleus is +3. | Beryllium has 4 protons so its atomic number is 4 and the relative atomic charge of the nucleus is +4. |
References
AQA
- Atomic number (Z), page 89, GCSE Physics, Hodder, AQA
- Atomic number, page 111, GCSE Combined Science Trilogy; Physics, CGP, AQA
- Atomic number, page 123, GCSE Physics; The Complete 9-1 Course for AQA, CGP, AQA
- Atomic number, page 3-4, GCSE Chemistry, Hodder, AQA
- Atomic number, page 44, GCSE Physics; The Revision Guide, CGP, AQA
- Atomic number, pages 119, 339, GCSE Combined Science Trilogy 1, Hodder, AQA
- Atomic numbers, page 96, GCSE Physics; Third Edition, Oxford University Press, AQA
- Atomic numbers, pages 12, 13, 22, GCSE Chemistry; The Revision Guide, CGP, AQA
- Atomic numbers, pages 14, 16, GCSE Chemistry; Third Edition, Oxford University Press, AQA
- Atomic numbers, pages 25, 52, GCSE Chemistry, CGP, AQA
- Atomic numbers, pages 25, 52, GCSE Combined Science Trilogy; Chemistry, CGP, AQA
- Atomic numbers, pages 96, 97, 107, 198, 199, GCSE Combined Science; The Revision Guide, CGP, AQA