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when two or more substances intermingle [another word for mixing]. the mixture can be either element or compounds and consist of atoms and molecues,

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Compounds are formed when two substances are joined together they can either be separated through chemical means or physical dependent on what has conjoined together.

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When you combine substances into one by combining them.

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Something that consists two or more separate elements. Has a chemical bond.

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An element is made from a single type of atom and is a pure substance one of the building blocks of matter in the world are elements.

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Basic unit of matter they can join together to form molecues. They are composed of electrons, neutrons and protons