Difference between revisions of "Fluorine"
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: [[Fluorine]] is a yellow coloured [[gas]] at [[STP|room temperature]]. | : [[Fluorine]] is a yellow coloured [[gas]] at [[STP|room temperature]]. | ||
: An [[atom]] of [[Fluorine]] is missing one [[electron]] from having a full [[Outer Shell|outer shell]]. | : An [[atom]] of [[Fluorine]] is missing one [[electron]] from having a full [[Outer Shell|outer shell]]. | ||
| − | : | + | : '''Fluoride''' [[ion]]s gain 1 [[electron]] to get a full [[Outer Shell|outer shell]] and become [[Negative Charged|negatively charged]]. |
==Key Stage 4== | ==Key Stage 4== | ||
===Meaning=== | ===Meaning=== | ||
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: [[Fluorine]] is a yellow coloured [[gas]] at [[STP|standard temperature and pressure]]. | : [[Fluorine]] is a yellow coloured [[gas]] at [[STP|standard temperature and pressure]]. | ||
: An [[atom]] of [[Fluorine]] is missing one [[electron]] from having a full [[Outer Shell|outer shell]]. | : An [[atom]] of [[Fluorine]] is missing one [[electron]] from having a full [[Outer Shell|outer shell]]. | ||
| − | : | + | : '''Fluoride''' [[ion]]s gain 1 [[electron]] to get a full [[Outer Shell|outer shell]] and become [[Negative Charged|negatively charged]]. |
===Testing For Fluorine=== | ===Testing For Fluorine=== | ||
Revision as of 16:32, 31 March 2019
Contents
Key Stage 2
Meaning
Key Stage 3
Meaning
Fluorine is a Group 7 element, on the Periodic Table, with an atomic number of 9.
About Fluorine
- Fluorine has the chemical formula F2.
- Fluorine as 9 protons and 10 neutrons in its nucleus giving it an Atomic Number of 9 and an atomic mass of 19.
- Fluorine is the most reactive Halogen.
- Fluorine reacts strongly with Hydrogen to produce Hydrogen Fluoride which dissolves in water to produce Hydrofluoric Acid.
- Fluorine is a strong bleaching agent.
- Fluorine kills bacteria.
- Fluorine is a yellow coloured gas at room temperature.
- An atom of Fluorine is missing one electron from having a full outer shell.
- Fluoride ions gain 1 electron to get a full outer shell and become negatively charged.
Key Stage 4
Meaning
Fluorine is a Group 2 element, on the Periodic Table, with 9 protons in the nucleus.
About Fluorine
- Fluorine has the chemical formula F2.
- The most stable isotope of Fluorine has 10 neutrons in its nucleus giving it an atomic mass of 19.
- Fluorine is the most reactive Halogen.
- Fluorine reacts strongly with Hydrogen to produce Hydrogen Fluoride which dissolves in water to produce Hydrofluoric Acid.
- Fluorine is a strong bleaching agent.
- Fluorine kills bacteria.
- Fluorine is a yellow coloured gas at standard temperature and pressure.
- An atom of Fluorine is missing one electron from having a full outer shell.
- Fluoride ions gain 1 electron to get a full outer shell and become negatively charged.
Testing For Fluorine
- Collect the gas in a test tube.
- Place a piece of litmus paper over the mouth of the test tube.
- If the litmus paper is bleached white then the gas is Fluorine or Chlorine.