Law of Conservation of Matter

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What is the Law of Conservation of Matter?

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The Law of Conservation of Matter states that matter cannot be created or destroyed in a chemical reaction; it can only change forms.

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What is a reactant?

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A reactant is a substance that takes part in and undergoes change during a chemical reaction.

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What is a product in a chemical reaction?

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A product is a substance that is formed as a result of a chemical reaction.

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What does a balanced chemical equation represent?

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A balanced chemical equation represents a reaction where the number of atoms for each element is the same on both sides of the equation.

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What is an unbalanced chemical equation?

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An unbalanced chemical equation is one where the number of atoms for each element is not the same on both sides of the equation.

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What is a chemical formula?

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A chemical formula is a combination of symbols that shows the elements in a molecule or compound and the ratio of atoms.

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What is a coefficient in a chemical equation?

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A coefficient is a number placed in front of a chemical formula in an equation to indicate how many molecules or atoms are involved.

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What is a subscript in a chemical formula?

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A subscript is a number written below and to the right of a chemical symbol that indicates the number of atoms of that element in a molecule.

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What is the difference between a reactant and a product?

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A reactant is a starting material in a chemical reaction, while a product is a substance formed as a result of the reaction.

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How do you determine if a chemical equation is balanced?

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To determine if a chemical equation is balanced, count the number of atoms of each element on both sides of the equation and ensure they are equal.