Fill in the following blanks with suitable words:

(a) An element is made up of only one kind of ………….


(b) Brine is a ………… whereas alcohol is a ………….


(c) Brass is an alloy which is considered a ………….


(d) The three important metalloids are ………….


(e) The elements which are sonorous are called ………….

(a) atoms

(b) mixture; compound


(c) mixture


(d) boron; silicon; germanium


(e) metals


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