Calcium - Revision history

NRJC at 14:03, 19 February 2021

2021-02-19T14:03:29Z

NRJC at 14:38, 12 March 2020

2020-03-12T14:38:06Z

NRJC at 14:36, 12 March 2020

2020-03-12T14:36:36Z

NRJC at 14:16, 12 March 2020

2020-03-12T14:16:40Z

NRJC at 11:08, 5 March 2020

2020-03-05T11:08:03Z

NRJC at 09:42, 3 April 2019

2019-04-03T09:42:41Z

NRJC at 21:19, 2 April 2019

2019-04-02T21:19:31Z

NRJC at 18:01, 31 March 2019

2019-03-31T18:01:19Z

NRJC at 14:53, 31 March 2019

2019-03-31T14:53:04Z

NRJC at 14:44, 31 March 2019

2019-03-31T14:44:54Z

@@ Line 4: / Line 4: @@
 ==Key Stage 3==
 [[File:CalciumSymbol1.png|right|300px|thumb|The [[Chemical Symbol|chemical symbol]] for [[Calcium]].]]
-[[File:Calcium2dWK.PNG|right|200px|thumb|A 2 dimensional representation of a [[Calcium]] [[atom]] with 20 [[proton]]s and 20 [[neutron]]s in the [[Atomic Nucleus|nucleus]] and 20 [[electron]]s orbiting the [[Atomic Nucleus|nucleus]].]]
+[[File:Ca-40_WK.PNG|right|200px|thumb|A 2 dimensional representation of a [[Calcium]] [[atom]] with 20 [[proton]]s and 20 [[neutron]]s in the [[Atomic Nucleus|nucleus]] and 20 [[electron]]s orbiting the [[Atomic Nucleus|nucleus]].]]
 ===Meaning===
 [[Calcium]] is a [[Group 2]] [[element]], on the [[Periodic Table]], with an [[Atomic Number|atomic number]] of 20.
@@ Line 22: / Line 22: @@
 ==Key Stage 4==
 [[File:CaKS4.PNG|right|200px|thumb|The [[Chemical Symbol|chemical symbol]] for [[Calcium]].]]
-[[File:Calcium2dWK.PNG|right|200px|thumb|A 2 dimensional representation of the [[Bohr Model]] of a [[Calcium]]-40 [[isotope]] with 20 [[proton]]s and 20 [[neutron]]s in the [[Atomic Nucleus|nucleus]] and 2 [[electron]]s in the first [[Electron Orbital|shell]], 8 in the second, 8 in the third and 2 in the [[Outer Shell|outer shell]].]]
+[[File:Ca-40_WK.PNG|right|200px|thumb|A 2 dimensional representation of the [[Bohr Model]] of a [[Calcium]]-40 [[isotope]] with 20 [[proton]]s and 20 [[neutron]]s in the [[Atomic Nucleus|nucleus]] and 2 [[electron]]s in the first [[Electron Orbital|shell]], 8 in the second, 8 in the third and 2 in the [[Outer Shell|outer shell]].]]
 ===Meaning===
 [[Calcium]] is a [[Group 2]] [[element]], on the [[Periodic Table]], with 20 [[proton]]s in the [[Atomic Nucleus|nucleus]].

@@ Line 22: / Line 22: @@
 ==Key Stage 4==
 [[File:CaKS4.PNG|right|200px|thumb|The [[Chemical Symbol|chemical symbol]] for [[Calcium]].]]
-[[File:Calcium2dWK.PNG|right|200px|thumb|A 2 dimensional representation of the [[Bohr Model]] of a [[Calcium]]-40 [[isotope]] with 20 [[proton]]s and 20 [[neutron]]s in the [[Atomic Nucleus|nucleus]] and 20 [[electron]]s orbiting the [[Atomic Nucleus|nucleus]].]]
+[[File:Calcium2dWK.PNG|right|200px|thumb|A 2 dimensional representation of the [[Bohr Model]] of a [[Calcium]]-40 [[isotope]] with 20 [[proton]]s and 20 [[neutron]]s in the [[Atomic Nucleus|nucleus]] and 2 [[electron]]s in the first [[Electron Orbital|shell]], 8 in the second, 8 in the third and 2 in the [[Outer Shell|outer shell]].]]
 ===Meaning===
 [[Calcium]] is a [[Group 2]] [[element]], on the [[Periodic Table]], with 20 [[proton]]s in the [[Atomic Nucleus|nucleus]].

@@ Line 22: / Line 22: @@
 ==Key Stage 4==
 [[File:CaKS4.PNG|right|200px|thumb|The [[Chemical Symbol|chemical symbol]] for [[Calcium]].]]
 ===Meaning===
 [[Calcium]] is a [[Group 2]] [[element]], on the [[Periodic Table]], with 20 [[proton]]s in the [[Atomic Nucleus|nucleus]].

@@ Line 3: / Line 3: @@
 [[Calcium]] is a [[metal]] found in our [[bone]]s.
 ==Key Stage 3==
 ===Meaning===
 [[Calcium]] is a [[Group 2]] [[element]], on the [[Periodic Table]], with an [[Atomic Number|atomic number]] of 20.
 ===About Calcium===

@@ Line 20: / Line 20: @@
 ==Key Stage 4==
 ===Meaning===
 [[Calcium]] is a [[Group 2]] [[element]], on the [[Periodic Table]], with 20 [[proton]]s in the [[Atomic Nucleus|nucleus]].

@@ Line 29: / Line 29: @@
 : The most [[Stable Isotope|stable isotope]] of [[Calcium]] has 20 [[neutron]]s in its [[Atomic Nucleus|nucleus]] giving it an [[Relative Atomic Mass|atomic mass]] of 40.
 : An [[atom]] of [[Calcium]] has only 2 [[electron]]s in its [[Outer Shell|outer shell]].
-: [[Calcium]] [[ion]]s have lost two [[electron]]s to become [[Positive Charged|positively charged]].
+: [[Calcium]] [[ion]]s have lost two [[electron]]s to become [[Positive Charge|positively charged]].
 ====Properties====
 : [[Calcium]] is a more [[Reactivity|reactive]] [[Alkali Earth Metal|alkali earth metal]] than [[Magnesium]] but less [[Reactivity|reactive]] than [[Strontium]].

@@ Line 7: / Line 7: @@
 [[Calcium]] is a [[Group 2]] [[element]], on the [[Periodic Table]], with an [[Atomic Number|atomic number]] of 20.
 ===About Calcium===
-: [[Calcium]] has the [[Chemical Formula|chemical formula]] [[Calcium|Ca]].
+====Molecular Structure====
 : [[Calcium]] as 20 [[proton]]s and 20 [[neutron]]s in its [[Atomic Nucleus|nucleus]] giving it an [[Atomic Number]] of 20 and an [[Relative Atomic Mass|atomic mass]] of 40.
 : [[Calcium]] is a more [[Reactivity|reactive]] [[Alkali Earth Metal|alkali earth metal]] than [[Magnesium]] but less [[Reactivity|reactive]] than [[Strontium]].
 : [[Calcium]] is more [[Reactivity|reactive]] than [[Carbon]] on the [[Reactivity Series|reactivity series]] so it must be [[Extraction of Metals|extracted]] from its [[ore]] using [[electrolysis]].
 : [[Calcium]] [[Chemical Reaction|reacts]] strongly with [[water]] to produce [[Hydrogen]] [[gas]] and [[Calcium Hydroxide]] and strongly with [[acid]] to produce [[Calcium]] [[salt]]s.
 : [[Calcium]] is a [[solid]] at [[STP|room temperature]].
-: An [[atom]] of [[Calcium]] has only 2 [[electron]]s in its [[Outer Shell|outer shell]].
 ==Key Stage 4==
 ===Meaning===
 [[Calcium]] is a [[Group 2]] [[element]], on the [[Periodic Table]], with 20 [[proton]]s in the [[Atomic Nucleus|nucleus]].
 ===About Calcium===
-: [[Calcium]] has the [[Chemical Formula|chemical formula]] [[Calcium|Ca]].
+====Molecular Structure====
 : The most [[Stable Isotope|stable isotope]] of [[Calcium]] has 20 [[neutron]]s in its [[Atomic Nucleus|nucleus]] giving it an [[Relative Atomic Mass|atomic mass]] of 40.
 : [[Calcium]] is a more [[Reactivity|reactive]] [[Alkali Earth Metal|alkali earth metal]] than [[Magnesium]] but less [[Reactivity|reactive]] than [[Strontium]].
 : [[Calcium]] is more [[Reactivity|reactive]] than [[Carbon]] on the [[Reactivity Series|reactivity series]] so it must be [[Extraction of Metals|extracted]] from its [[ore]] using [[electrolysis]].
 : [[Calcium]] [[Chemical Reaction|reacts]] strongly with [[water]] to produce [[Hydrogen]] [[gas]] and [[Calcium Hydroxide]] and strongly with [[acid]] to produce [[Calcium]] [[salt]]s.
 : [[Calcium]] is a [[solid]] at [[STP|standard temperature and pressure]].