Difference between revisions of "Chromium"
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===About Iodine=== | ===About Iodine=== | ||
====Molecular Structure==== | ====Molecular Structure==== | ||
− | : [[Chromium]] has the [[Chemical Formula|chemical formula]] [[Chromium | | + | : [[Chromium]] has the [[Chemical Formula|chemical formula]] [[Chromium |Cr]]. |
: [[Chromium]] [[atom]]s join together in a [[Giant Metallic Structure|giant metallic structure]]. | : [[Chromium]] [[atom]]s join together in a [[Giant Metallic Structure|giant metallic structure]]. | ||
+ | |||
====Atomic Structure==== | ====Atomic Structure==== | ||
: The most [[Stable Isotope|stable isotope]] of [[Chromium]] has 28 [[neutron]]s in its [[Atomic Nucleus|nucleus]] giving it an [[Relative Atomic Mass|atomic mass]] of 52. | : The most [[Stable Isotope|stable isotope]] of [[Chromium]] has 28 [[neutron]]s in its [[Atomic Nucleus|nucleus]] giving it an [[Relative Atomic Mass|atomic mass]] of 52. |
Revision as of 20:46, 31 March 2019
Contents
Key Stage 2
Meaning
Key Stage 3
Meaning
Chromium is a transition metal element, on the Periodic Table, with an atomic number of 24.
About Chromium
Molecular Structure
- Chromium has the chemical symbol Cr.
- Chromium atoms join together in large numbers to form a giant metal molecule.
Atomic Structure
- Chromium as 24 protons and 28 neutrons in its nucleus giving it an Atomic Number of 24 and an atomic mass of 52.
- Chromium is in Period 4 of the Periodic Table because it has 4 electron shells.
Properties
- Chromium is a metal element so it is a good thermal conductor and a good electrical conductor.
- Chromium is a shiny solid at room temperature.
- Chromium is malleable.
- Chromium is sonorous.
- Chromium is ductile.
Key Stage 4
Meaning
Chromium is a transition metal element, on the Periodic Table, with 24 protons in the nucleus.
About Iodine
Molecular Structure
- Chromium has the chemical formula Cr.
- Chromium atoms join together in a giant metallic structure.
Atomic Structure
- The most stable isotope of Chromium has 28 neutrons in its nucleus giving it an atomic mass of 52.
- Chromium is in Period 4 of the Periodic Table because it has 4 electron shells.
Properties
- Chromium is a metal element so it is a good thermal conductor and a good electrical conductor.
- Chromium is a shiny solid at standard temperature and pressure and has a high melting point.
- Chromium is malleable.
- Chromium is sonorous.
- Chromium is ductile.