Question

meaning. elements. compounds. mixtures. std8. chapter-compositions. of. matter​

Answer 1

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Elements : each of more than one hundred substances that cannot be chemically interconverted or broken down into simpler substances and are primary constituents of matter. Each element is distinguished by its atomic number, i.e. the number of protons in the nuclei of its atoms.

Compounds : a thing that is composed of two or more separate elements.

Mixtures : A mixture is defined as the result of combining two or more substances, such that each maintains its chemical identity.