Lesson 2.2- Chemical Formulas and Equations Flashcards
1
Q
Chemical Formula
A
a combination of chemical symbols and numbers to represent a substance
2
Q
Chemical Equation
A
a representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
3
Q
Reactant
A
a substance or molecule that participates in a chemical reaction
4
Q
Product
A
the substance that forms in a chemical reaction
5
Q
Law of Conservation of Mass
A
the law that states that mass cannot be created or destroyed in ordinary chemical and physical changes
