Difference between revisions of "Actinium"
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==Key Stage 3== | ==Key Stage 3== | ||
===Meaning=== | ===Meaning=== | ||
| − | [[File: | + | [[File:ActiniumSymbol1.png|right|300px|thumb|The [[Chemical Symbol|chemical symbol]] for [[Actinium]].]] |
[[Actinium]] is a [[Actinide]] [[metal]] [[element]], on the [[Periodic Table]], with an [[Atomic Number|atomic number]] of 89. | [[Actinium]] is a [[Actinide]] [[metal]] [[element]], on the [[Periodic Table]], with an [[Atomic Number|atomic number]] of 89. | ||
===About Actinium=== | ===About Actinium=== | ||
====Molecular Structure==== | ====Molecular Structure==== | ||
| − | : [[Actinium]] has the [[Chemical Symbol|chemical symbol]] [[Actinium| | + | : [[Actinium]] has the [[Chemical Symbol|chemical symbol]] [[Actinium|Ac]]. |
: [[Actinium]] [[atom]]s join together in large numbers to form a giant [[metal]] [[molecule]]. | : [[Actinium]] [[atom]]s join together in large numbers to form a giant [[metal]] [[molecule]]. | ||
====Atomic Structure==== | ====Atomic Structure==== | ||
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: [[Actinium]] is [[ductile]]. | : [[Actinium]] is [[ductile]]. | ||
==Key Stage 4== | ==Key Stage 4== | ||
| + | [[File:AcKS4.PNG|right|200px|thumb|The [[Chemical Symbol|chemical symbol]] for [[Actinium]].]] | ||
===Meaning=== | ===Meaning=== | ||
[[Actinium]] is a [[Actinide]] [[metal]] [[element]], on the [[Periodic Table]], with 89 [[proton]]s in the [[Atomic Nucleus|nucleus]]. | [[Actinium]] is a [[Actinide]] [[metal]] [[element]], on the [[Periodic Table]], with 89 [[proton]]s in the [[Atomic Nucleus|nucleus]]. | ||
| − | ===About | + | ===About Actinium=== |
====Molecular Structure==== | ====Molecular Structure==== | ||
| − | : [[Actinium]] has the [[Chemical Formula|chemical formula]] [[Actinium| | + | : [[Actinium]] has the [[Chemical Formula|chemical formula]] [[Actinium|Ac]]. |
: [[Actinium]] [[atom]]s join together in a [[Giant Metallic Structure|giant metallic structure]]. | : [[Actinium]] [[atom]]s join together in a [[Giant Metallic Structure|giant metallic structure]]. | ||
====Atomic Structure==== | ====Atomic Structure==== | ||
Latest revision as of 14:51, 5 March 2020
Contents
Key Stage 2
Meaning
Key Stage 3
Meaning
Actinium is a Actinide metal element, on the Periodic Table, with an atomic number of 89.
About Actinium
Molecular Structure
- Actinium has the chemical symbol Ac.
- Actinium atoms join together in large numbers to form a giant metal molecule.
Atomic Structure
- Actinium as 89 protons and 138 neutrons in its nucleus giving it an Atomic Number of 89 and an atomic mass of 227.
- Actinium is in Period 7 of the Periodic Table because it has 7 electron shells.
Properties
- Actinium is a metal element so it is a good thermal conductor and a good electrical conductor.
- Actinium is a shiny solid at room temperature.
- Actinium is malleable.
- Actinium is sonorous.
- Actinium is ductile.
Key Stage 4
Meaning
Actinium is a Actinide metal element, on the Periodic Table, with 89 protons in the nucleus.
About Actinium
Molecular Structure
- Actinium has the chemical formula Ac.
- Actinium atoms join together in a giant metallic structure.
Atomic Structure
- The most stable isotope of Actinium has 138 neutrons in its nucleus giving it an atomic mass of 227.
- Actinium is in Period 7 of the Periodic Table because it has 7 electron shells.
- Actinium loses electrons to form positive metal ions.
Properties
- Actinium forms ionic bonds with non-metals.
- Actinium is a metal element so it is a good thermal conductor and a good electrical conductor.
- Actinium is a shiny solid at standard temperature and pressure and has a high melting point.
- Actinium is malleable.
- Actinium is sonorous.
- Actinium is ductile.