Difference between revisions of "Cobalt"
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==Key Stage 2== | ==Key Stage 2== | ||
===Meaning=== | ===Meaning=== | ||
| − | [[Cobalt]] is a [[metal]]. | + | [[Cobalt]] is a [[magnetic]] [[metal]]. |
==Key Stage 3== | ==Key Stage 3== | ||
===Meaning=== | ===Meaning=== | ||
| − | [[File: | + | [[File:CobaltSymbol1.png|right|300px|thumb|The [[Chemical Symbol|chemical symbol]] for [[Cobalt]].]] |
| − | [[Cobalt]] is a [[Transition Metal|transition metal]] [[element]], on the [[Periodic Table]], with an [[Atomic Number|atomic number]] of | + | [[Cobalt]] is a [[Transition Metal|transition metal]] [[element]], on the [[Periodic Table]], with an [[Atomic Number|atomic number]] of 27. |
===About Cobalt=== | ===About Cobalt=== | ||
====Molecular Structure==== | ====Molecular Structure==== | ||
| − | : [[Cobalt]] has the [[Chemical Symbol|chemical symbol]] [[Cobalt| | + | : [[Cobalt]] has the [[Chemical Symbol|chemical symbol]] [[Cobalt|Co]]. |
: [[Cobalt]] [[atom]]s join together in large numbers to form a giant [[metal]] [[molecule]]. | : [[Cobalt]] [[atom]]s join together in large numbers to form a giant [[metal]] [[molecule]]. | ||
====Atomic Structure==== | ====Atomic Structure==== | ||
| Line 22: | Line 22: | ||
: [[Cobalt]] is [[magnetic]]. | : [[Cobalt]] is [[magnetic]]. | ||
==Key Stage 4== | ==Key Stage 4== | ||
| + | [[File:CoKS4.PNG|right|200px|thumb|The [[Chemical Symbol|chemical symbol]] for [[Cobalt]].]] | ||
===Meaning=== | ===Meaning=== | ||
[[Cobalt]] is a [[Transition Metal|transition metal]] [[element]], on the [[Periodic Table]], with 27 [[proton]]s in the [[Atomic Nucleus|nucleus]]. | [[Cobalt]] is a [[Transition Metal|transition metal]] [[element]], on the [[Periodic Table]], with 27 [[proton]]s in the [[Atomic Nucleus|nucleus]]. | ||
| − | ===About | + | ===About Cobalt=== |
====Molecular Structure==== | ====Molecular Structure==== | ||
| − | : [[Cobalt]] has the [[Chemical Formula|chemical formula]] [[Cobalt | | + | : [[Cobalt]] has the [[Chemical Formula|chemical formula]] [[Cobalt |Co]]. |
: [[Cobalt]] [[atom]]s join together in a [[Giant Metallic Structure|giant metallic structure]]. | : [[Cobalt]] [[atom]]s join together in a [[Giant Metallic Structure|giant metallic structure]]. | ||
====Atomic Structure==== | ====Atomic Structure==== | ||
| Line 40: | Line 41: | ||
: [[Cobalt]] is [[ductile]]. | : [[Cobalt]] is [[ductile]]. | ||
: [[Cobalt]] is [[magnetic]]. | : [[Cobalt]] is [[magnetic]]. | ||
| + | |||
| + | ===References=== | ||
| + | ====AQA==== | ||
| + | |||
| + | :[https://www.amazon.co.uk/gp/product/0008158770/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0008158770&linkCode=as2&tag=nrjc-21&linkId=ec31595e720e1529e49876c3866fff6e ''Cobalt, page 245, GCSE Physics; Student Book, Collins, 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 ''Cobalt, pages 48-9, GCSE Chemistry; Student Book, Collins, AQA ''] | ||
Latest revision as of 11:11, 5 March 2020
Contents
Key Stage 2
Meaning
Key Stage 3
Meaning
Cobalt is a transition metal element, on the Periodic Table, with an atomic number of 27.
About Cobalt
Molecular Structure
- Cobalt has the chemical symbol Co.
- Cobalt atoms join together in large numbers to form a giant metal molecule.
Atomic Structure
- Cobalt as 27 protons and 32 neutrons in its nucleus giving it an Atomic Number of 27 and an atomic mass of 59.
- Cobalt is in Period 4 of the Periodic Table because it has 4 electron shells.
Properties
- Cobalt is a metal element so it is a good thermal conductor and a good electrical conductor.
- Cobalt is a shiny solid at room temperature.
- Cobalt is malleable.
- Cobalt is sonorous.
- Cobalt is ductile.
- Cobalt is magnetic.
Key Stage 4
Meaning
Cobalt is a transition metal element, on the Periodic Table, with 27 protons in the nucleus.
About Cobalt
Molecular Structure
- Cobalt has the chemical formula Co.
- Cobalt atoms join together in a giant metallic structure.
Atomic Structure
- The most stable isotope of Cobalt has 32 neutrons in its nucleus giving it an atomic mass of 59.
- Cobalt is in Period 4 of the Periodic Table because it has 4 electron shells.
- Cobalt loses electrons to form positive metal ions.
Properties
- Cobalt forms ionic bonds with non-metals.
- Cobalt is a metal element so it is a good thermal conductor and a good electrical conductor.
- Cobalt is a shiny solid at standard temperature and pressure and has a high melting point.
- Cobalt is malleable.
- Cobalt is sonorous.
- Cobalt is ductile.
- Cobalt is magnetic.