Define a "Mixture."
What is a material made up of two or more different chemical substances which are not chemically bonded
What is a "compound"?
What is any substance composed of identical molecules consisting of atoms of two or more chemical elements
Homogeneous Mixture
What is a gaseous, liquid or solid mixture that has the same proportions of its components throughout a given sample.
Heterogeneous Mixture
What is a mixture where throughout the solution the composition is not uniform
List at least 3 indicators of a chemical change.
What are color change, gas is produced, smell is produced, the reaction is irreversible, temperature change (without cooling or heating,) electrical energy is produced.
In a chemical reaction, CaOH (calcium hydroxide) and CO2 (carbon dioxide) combine and are considered to be _________, CaCO4 (chalk) and H20 (water) are formed and considered to be __________. (products, reactants)
What are reactants and products