Basic Chemistry Concepts

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Conservation of Mass

Back

Matter cannot be created or destroyed

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Chemical Formula

Back

A combination of symbols and numbers to show the contents of a molecule

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Chemical Equation

Back

Chemical formulas and symbols used to show what occurs during a chemical reaction

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Subscript

Back

A small number written at the bottom right of a symbol to show how many atoms are present

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Heterogenous

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Clearly shows multiple parts, a difference is visible

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Homogenous

Back

Appears as one, looks the same

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Mixtures

Back

Two or more substances together that are not chemically combined

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Coefficient

Back

A number written before a chemical symbol, used to multiply to show how many molecules or atoms

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Symbol

Back

A representation of a substance

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Dilute

Back

To make less strong, add more solvent to lessen the concentration