Difference between revisions of "Fluorine"
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[[Fluorine]] is a [[Group 7]] [[element]], on the [[Periodic Table]], with an [[Atomic Number|atomic number]] of 9. | [[Fluorine]] is a [[Group 7]] [[element]], on the [[Periodic Table]], with an [[Atomic Number|atomic number]] of 9. | ||
===About Fluorine=== | ===About Fluorine=== | ||
| + | ====Molecular Structure=== | ||
: [[Fluorine]] has the [[Chemical Formula|chemical formula]] [[Fluorine| F<sub>2</sub>]]. | : [[Fluorine]] has the [[Chemical Formula|chemical formula]] [[Fluorine| F<sub>2</sub>]]. | ||
| + | ====Atomic Structure==== | ||
: [[Fluorine]] as 9 [[proton]]s and 10 [[neutron]]s in its [[Atomic Nucleus|nucleus]] giving it an [[Atomic Number]] of 9 and an [[Relative Atomic Mass|atomic mass]] of 19. | : [[Fluorine]] as 9 [[proton]]s and 10 [[neutron]]s in its [[Atomic Nucleus|nucleus]] giving it an [[Atomic Number]] of 9 and an [[Relative Atomic Mass|atomic mass]] of 19. | ||
| + | : 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]]. | ||
| + | ====Properties==== | ||
: [[Fluorine]] is the most [[Reactivity|reactive]] [[Halogen]]. | : [[Fluorine]] is the most [[Reactivity|reactive]] [[Halogen]]. | ||
: [[Fluorine]] [[Chemical Reaction|reacts]] strongly with [[Hydrogen]] to produce [[Hydrogen Fluoride]] which [[dissolve]]s in [[water]] to produce [[Hydrofluoric Acid]]. | : [[Fluorine]] [[Chemical Reaction|reacts]] strongly with [[Hydrogen]] to produce [[Hydrogen Fluoride]] which [[dissolve]]s in [[water]] to produce [[Hydrofluoric Acid]]. | ||
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: [[Fluorine]] kills [[bacteria]]. | : [[Fluorine]] kills [[bacteria]]. | ||
: [[Fluorine]] is a yellow coloured [[gas]] at [[STP|room temperature]]. | : [[Fluorine]] is a yellow coloured [[gas]] at [[STP|room temperature]]. | ||
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==Key Stage 4== | ==Key Stage 4== | ||
===Meaning=== | ===Meaning=== | ||
[[Fluorine]] is a [[Group 2]] [[element]], on the [[Periodic Table]], with 9 [[proton]]s in the [[Atomic Nucleus|nucleus]]. | [[Fluorine]] is a [[Group 2]] [[element]], on the [[Periodic Table]], with 9 [[proton]]s in the [[Atomic Nucleus|nucleus]]. | ||
===About Fluorine=== | ===About Fluorine=== | ||
| + | ====Molecular Structure==== | ||
: [[Fluorine]] has the [[Chemical Formula|chemical formula]] [[Fluorine|F<sub>2</sub>]]. | : [[Fluorine]] has the [[Chemical Formula|chemical formula]] [[Fluorine|F<sub>2</sub>]]. | ||
| + | ====Atomic Structure==== | ||
: The most [[Stable Isotope|stable isotope]] of [[Fluorine]] has 10 [[neutron]]s in its [[Atomic Nucleus|nucleus]] giving it an [[Relative Atomic Mass|atomic mass]] of 19. | : The most [[Stable Isotope|stable isotope]] of [[Fluorine]] has 10 [[neutron]]s in its [[Atomic Nucleus|nucleus]] giving it an [[Relative Atomic Mass|atomic mass]] of 19. | ||
| + | : 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]]. | ||
| + | ====Properties==== | ||
: [[Fluorine]] is the most [[Reactivity|reactive]] [[Halogen]]. | : [[Fluorine]] is the most [[Reactivity|reactive]] [[Halogen]]. | ||
: [[Fluorine]] [[Chemical Reaction|reacts]] strongly with [[Hydrogen]] to produce [[Hydrogen Fluoride]] which [[dissolve]]s in [[water]] to produce [[Hydrofluoric Acid]]. | : [[Fluorine]] [[Chemical Reaction|reacts]] strongly with [[Hydrogen]] to produce [[Hydrogen Fluoride]] which [[dissolve]]s in [[water]] to produce [[Hydrofluoric Acid]]. | ||
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: [[Fluorine]] kills [[bacteria]]. | : [[Fluorine]] kills [[bacteria]]. | ||
: [[Fluorine]] is a yellow coloured [[gas]] at [[STP|standard temperature and pressure]]. | : [[Fluorine]] is a yellow coloured [[gas]] at [[STP|standard temperature and pressure]]. | ||
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| − | ===Testing For Fluorine=== | + | ====Testing For Fluorine==== |
#Collect the [[gas]] in a [[Test Tube|test tube]]. | #Collect the [[gas]] in a [[Test Tube|test tube]]. | ||
#Place a piece of [[Litmus Paper|litmus paper]] over the mouth of the [[Test Tube|test tube]]. | #Place a piece of [[Litmus Paper|litmus paper]] over the mouth of the [[Test Tube|test tube]]. | ||
#If the [[Litmus Paper|litmus paper]] is [[bleach]]ed white then the [[gas]] is [[Fluorine]] or [[Chlorine]]. | #If the [[Litmus Paper|litmus paper]] is [[bleach]]ed white then the [[gas]] is [[Fluorine]] or [[Chlorine]]. | ||
Revision as of 16:35, 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
=Molecular Structure
- Fluorine has the chemical formula F2.
Atomic Structure
- Fluorine as 9 protons and 10 neutrons in its nucleus giving it an Atomic Number of 9 and an atomic mass of 19.
- 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.
Properties
- 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.
Key Stage 4
Meaning
Fluorine is a Group 2 element, on the Periodic Table, with 9 protons in the nucleus.
About Fluorine
Molecular Structure
- Fluorine has the chemical formula F2.
Atomic Structure
- The most stable isotope of Fluorine has 10 neutrons in its nucleus giving it an atomic mass of 19.
- 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.
Properties
- 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.
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.