Definition:Metal
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Definition
A metal is a substance which is characterised by the fact that its atoms have a number of conduction electrons.
These are electrons which are able to flow more or less freely through the substance.
This gives rise to an electric current.
The atoms themselves, positively charged, remain fixed.
Examples
Copper
Copper is an example of a metal.
Tungsten
Tungsten is an example of a metal.
Also see
- Results about metals can be found here.
Sources
- 1958: C.A. Coulson: Electricity (5th ed.) ... (previous) ... (next): Chapter $\text {I}$: Preliminary Survey: $\S 2$. Electric currents