Difference between revisions of "Bromine"
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==Key Stage 4== | ==Key Stage 4== | ||
| + | [[File:BrKS4.PNG|right|200px|thumb|The [[Chemical Symbol|chemical symbol]] for [[Bromine]].]] | ||
===Meaning=== | ===Meaning=== | ||
[[Bromine]] is a [[Group 7]] [[element]], on the [[Periodic Table]], with 35 [[proton]]s in the [[Atomic Nucleus|nucleus]]. | [[Bromine]] is a [[Group 7]] [[element]], on the [[Periodic Table]], with 35 [[proton]]s in the [[Atomic Nucleus|nucleus]]. | ||
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:[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 ''Bromine, page 61, GCSE Chemistry, CGP, 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 ''Bromine, page 61, 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 ''Bromine, page 61, GCSE Combined Science Trilogy; 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 ''Bromine, page 61, GCSE Combined Science Trilogy; Chemistry, CGP, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/1471851362/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851362&linkCode=as2&tag=nrjc-21&linkId=7d78d70a2044ee9982dae010c94af92a ''Bromine, reaction with alkenes, pages 148, GCSE Combined Science Trilogy 2, Hodder, AQA ''] | ||
Latest revision as of 11:17, 5 March 2020
Contents
Key Stage 2
Key Stage 3
Meaning
Bromine is a Group 7 element, on the Periodic Table, with an atomic number of 35.
About Bromine
Molecular Structure
- Bromine has the chemical formula Br2.
Atomic Structure
- Bromine as 35 protons and 45 neutrons in its nucleus giving it an Atomic Number of 35 and an atomic mass of 80.
- An atom of Bromine is missing one electron from having a full outer shell.
Properties
- Bromine is a non-metal element.
- Bromine is a more reactive Halogen than Iodine but less reactive than Chlorine.
- Bromine reacts strongly with Hydrogen to produce Hydrogen Bromide which dissolves in water to produce Hydrobromic Acid.
- Bromine is a bleaching agent.
- Bromine kills bacteria.
- Bromine is a pale green coloured gas at room temperature.
Key Stage 4
Meaning
Bromine is a Group 7 element, on the Periodic Table, with 35 protons in the nucleus.
About Bromine
Molecular Structure
- Bromine has the chemical formula Br2.
- Bromine atoms join together in a covalent bond.
 |
| A dot and cross diagram of a Bromine molecule. |
Atomic Structure
- The most stable isotope of Bromine has 45 neutrons in its nucleus giving it an atomic mass of 80.
- An atom of Bromine is missing one electron from having a full outer shell.
- Bromine ions gain 1 electron to get a full outer shell and become negatively charged.
Properties
- Bromine is a non-metal element.
- Bromine is a more reactive Halogen than Iodine but less reactive than Chlorine.
- Bromine reacts strongly with Hydrogen to produce Hydrogen Bromide which dissolves in water to produce Hydrobromic Acid.
- Bromine is a bleaching agent.
- Bromine kills bacteria.
- Bromine is a brown coloured gas at standard temperature and pressure.