$(a)$ Define an element.
$(b)$ Identify non-metals from the following elements: Carbon,Potassium,Silicon,Chlorine,Mercury.
$(b)$ Identify non-metals from the following elements: Carbon,Potassium,Silicon,Chlorine,Mercury.
(B) An element is a basic form of matter that cannot be broken down into simpler substances by chemical reactions.
$(b)$ Carbon,Silicon,and Chlorine are non-metals.
$(b)$ Carbon,Silicon,and Chlorine are non-metals.
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