Which one of the following best describe a Metal
(1 Point)
(a) A substance without any definite shape
(b) Substances without any physical properties
(c) Hard substances that conduct heat and electricity and have a characteristic lustre or shine.
(d) Substances without chemical composition
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Answer:
The answer is :
Hard substance that conduct heat and electricity and have a characteristic lustre or shine.
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The correct option is option (c),
Hard substances that conduct heat and electricity and have a characteristic luster or shine.
Definition of Metal: Any substance which is typically lustrous and which is a good conductor of electricity and heat and which forms cations by the means of losing electrons, and yields basic oxides and hydroxides are termed metal.
Features of Metal are:
- It has a high melting point.
- It is a good conductor of electricity.
- It is a good conductor of heat.
- It has a high density.
- It is malleable and ductile in nature.
e.g.,
Copper, brass and bronze.
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