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