A ________ is the process by which one or more substances are changed into one or more
different substances.️️chemical reaction
A ___________ represents, with symbols and formulas, the identities and relative molecular or
molar amounts of the reactants and products in a chemical equation.️...
Honors Chemistry: Chapter 8 with comprehensive Questions and
Answers
A ________ is the process by which one or more substances are changed into one or more
different substances.✔️✔️chemical reaction
A ___________ represents, with symbols and formulas, the identities and relative molecular or
molar amounts of the reactants and products in a chemical equation.✔️✔️chemical equation
What are the four ways to tell if a chemical reaction has occurred?✔️✔️evolution of energy as heat
and light, color change, production of gas, and the formation of a precipitate
A solid that is produced as a result of a chemical reaction in solution and that separates from the
solution is known as a __________.✔️✔️precipitate
What is sulfur usually written as?✔️✔️S₈
What is phosphorus usually written as?✔️✔️P₄
What are the seven diatomic molecules?✔️✔️hydrogen, nitrogen, oxygen, fluorine, chlorine,
bromine, and iodine
To balance numbers of atoms, add __________ where necessary.✔️✔️coefficients
A _________ is a small whole number that appears in front of a formula in a chemical
equation.✔️✔️coefficient
A _____________ is an equation in which the reactants and products in a chemical reaction are
represents by words.✔️✔️word equation
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