Chemical Formulas and Equations 2.2 Flashcards
1
Q
a combination of chemical symbols and numbers to represent a substance
A
chemical formula
2
Q
a representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
A
chemical equation
3
Q
a substance or molecule that participates in a chemical reaction
A
reactant
4
Q
the substance that forms in a chemical reaction
A
product
5
Q
the law that states that mass cannot be created or destroyed in ordinary chemical and physical changes
A
law of conservation of mass
6
Q
a number written below and to the right of a chemical symbol in a formula
A
subscript
7
Q
a number that is placed in front of a chemical symbol or formula
A
coefficient
