Difference between revisions of "Bromine"
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: The most [[Stable Isotope|stable isotope]] of [[Bromine]] has 45 [[neutron]]s in its [[Atomic Nucleus|nucleus]] giving it an [[Relative Atomic Mass|atomic mass]] of 80. | : The most [[Stable Isotope|stable isotope]] of [[Bromine]] has 45 [[neutron]]s in its [[Atomic Nucleus|nucleus]] giving it an [[Relative Atomic Mass|atomic mass]] of 80. | ||
: An [[atom]] of [[Bromine]] is missing one [[electron]] from having a full [[Outer Shell|outer shell]]. | : An [[atom]] of [[Bromine]] is missing one [[electron]] from having a full [[Outer Shell|outer shell]]. | ||
| − | : [[Bromine]] [[ion]]s gain 1 [[electron]] to get a full [[Outer Shell|outer shell]] and become [[Negative | + | : [[Bromine]] [[ion]]s gain 1 [[electron]] to get a full [[Outer Shell|outer shell]] and become [[Negative Charge|negatively charged]]. |
====Properties==== | ====Properties==== | ||
: [[Bromine]] is a [[non-metal]] [[element]]. | : [[Bromine]] is a [[non-metal]] [[element]]. | ||
Revision as of 13:25, 5 April 2019
Contents
Key Stage 2
Meaning
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.