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The numbers in front of a chemical formula, known as coefficients, indicate the ratio of each substance involved in the reaction. They show the relative amounts of reactants and products that participate in the reaction.
The compounds that appear on the right side of the arrow in a chemical equation are called products. These are the substances that are formed as a result of the chemical reaction taking place.
The numbers that appear in front of the chemical formulas in a balanced equation are called coefficients. Coefficients are used to balance the equation by ensuring that the number of each type of atom is the same on both sides of the equation.
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The term "ternary" refers to compounds that consist of three elements. In the context of chemical formulas, ternary compounds typically include combinations of a metal, a nonmetal, and oxygen, such as in oxoacids (e.g., sulfuric acid, H₂SO₄) or salts (e.g., sodium sulfate, Na₂SO₄). These compounds often contain a central atom bonded to oxygen and another element, forming a variety of chemical species.
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Ions that appear on both sides of the equation are spectator ions. These ions do not participate in the reaction at all. Thus, they are omitted when writing the net ionic formula of a reaction.
The chemical symbol is H, but hydrogen is usually divalent so would appear as H2 in equtions