Today's Rocket Words: Your 5 words and meanings to learn

silicon

the chemical element of atomic number 14, a non-metal with semiconducting properties, used in making electronic circuits

insulator (electrical)

a poor conductor of an electrical current

semiconductor

a solid substance that has a conductivity between that of an insulator and that of most metals, either due to the addition of an impurity or because of temperature effects

graphite

a soft form of carbon that is a conductor of electricity

metalloid

an element whose properties are in between those of metals and solid non-metals or semiconductors

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