20,340
edits
Changes
no edit summary
[[Fluorine]] is a yellow [[gas]].
==Key Stage 3==
[[File:FKS3.png|right|300px|thumb|The [[Chemical Symbol|chemical symbol]] for [[Fluorine]].]]
[[File:F-19_WK.PNG|right|200px|thumb|A 2 dimensional representation of a [[Fluorine]] [[atom]] with 9 [[proton]]s and 10 [[neutron]]s in the [[Atomic Nucleus|nucleus]] and 9 [[electron]]s orbiting the [[Atomic Nucleus|nucleus]].]]
===Meaning===
[[Fluorine]] is a [[Group 7]] [[element]], on the [[Periodic Table]], with an [[Atomic Number|atomic number]] of 9.
===About Fluorine===
==Key Stage 4==
[[File:FKS4.PNG|right|200px|thumb|The [[Chemical Symbol|chemical symbol]] for [[Fluorine]].]]
[[File:F-19_WK.PNG|right|200px|thumb|A 2 dimensional representation of the [[Bohr Model]] of a [[Fluorine]]-19 [[isotope]] with 9 [[proton]]s and 10 [[neutron]]s in the [[Atomic Nucleus|nucleus]] and 2 [[electron]]s in the first [[Electron Orbital|shell]] and 7 in the [[Outer Shell|outer shell]].]]
===Meaning===
[[Fluorine]] is a [[Group 7]] [[element]], on the [[Periodic Table]], with 9 [[proton]]s in the [[Atomic Nucleus|nucleus]].
#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]].
===References===
====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 ''Fluorine, 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 ''Fluorine, page 61, GCSE Combined Science Trilogy; Chemistry, CGP, AQA '']
:[https://www.amazon.co.uk/gp/product/0008158762/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0008158762&linkCode=as2&tag=nrjc-21&linkId=a0fffa35b3ea49a63404f6704e0df7cc ''Fluorine, pages 26, 44-5, 61, GCSE Chemistry; Student Book, Collins, AQA '']