Atom
Smallest unit of an element that still maintains its properties; building blocks of matter
Ion
an atom with a positive or negative charge
exothermic reaction
chemical reaction in which energy is primarily given off in the form of heat
endothermic reaction
A reaction that proceeds with the net absorption of energy, heat, from the surroundings.
Hydrochloric Acid
HCl
Sulphuric Acid
H?SO?
Nitric Acid
HNO?
Carbonic Acid
H?CO?
Ethanoic Acid
CH?COOH
Base
Substance that creates hydroxide ions in solution or accepts hydrogen ions
Acid
compound that forms hydrogen ions (H+) in solution a solution with a pH of less than 7
Acid Rain
precipitation that is more acidic than normal