Question

which one of the following is not a metal?
a)Iron.d) silicon.c) alluminium.c) copper.

Answer 1

The answer is silicon as it is a metalliod(transgender) not a metal.

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Answer 2

Silicon is not a metal among the given options.

Answer: Option d

Explanation:

Silicon is neither metal nor non-metal. It is the one which falls between both known as metalloid.

Metalloid have both property of metal and non-metal. “Silicon is a semiconductor” which conducts electricity when the temperature is high.

Silicon is used to make transistors for amplification and for switching between electrical currents.It is also used in solar cells and in chips of computer.