Chemistry – Solutions Vocabulary

acid
a chemical, usually a liquid, with a sour taste that has a pH less than 7
acid rain
rain that has a pH of less than five
acidic
refers to liquids with a pH of less than 7
base
a chemical, usually a liquid, with a bitter taste that has a pH greater than 7
basic
refers to liquids with a pH of greater than 7
compound
is chemical that contains two or more elements joined to gether
concentration
how much there is of something in a volume
diffusion
the movement of particles from high concentration to low concentration
element
a substance that contains only one kind of particle
gas
The state of matter in which particles are far apart and have lots of kinetic energy.
indicator
a chemical that changes colour based on the pH of the chemicals it is exposed to
kinetic particle theory
The theory that describes how particles in the universe move around.
liquid
the state of matter in which particles are close together and have some kinetic energy. The particles are moving around each other.
litmus paper
paper that indicates the pH of a chemical. Red indicates the chemical is an acid. Blue indicates the chemical is a base.
neutral (adj.)
neither acidic nor basic. describes a chemical, usually a liquid that has a pH = 7
neutralization
the reaction between an acid and a base that produces a salt and water
neutralize (v.)
the act of an acid reacting with a base to make the resulting solution more neutral
pH
the relative concentration of hydrogens, which tells us how acidic or basic a chemical is
plasma
The state of matter in which particles are far apart and are extremely hot
pure substance
a substance that contains only one kind of chemical.
salt
is a chemical created when an acid and a base react.
saturated solution
A mixture in which no more solute can be dissolved in a solvent.
solid
a state of matter in which the particles are close together and have little kinetic energy
solute
the thing that is being dissolved
solvent
the chemical, usually a liquid, that is doing the dissolving.