Question

what is a substance?? componds and elements are together a substance??​

Answer 1

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(1) The physical matter, material or that of which an organ or body consists.

(2) (chemistry) A material, matter or that which has definite chemical composition and distinct properties.

An element is a material that consists of a single type of atom. Each atom type contains the same number of protons. Chemical bonds link elements together to form more complex molecules called compounds. ... Pure substances are further broken down into elements and compounds.