A
a measure of the amount of matter in an object
mass
anything that has mass and takes up space
matter
a curve at a liquid's surface by which one measures the volume of a liquid
meniscus
a measure of the size of a body or region in three-dimensional space
volume
a measure of the gravitational force exerted on an object; its value can change with the location of the object in the universe
the ratio of the mass of a substance to the volume of the substance
density
a change of matter from one form to another without a change in chemical properties
physical change
a characteristic of a substance that does not involve a chemical change, such as density, color, or hardness
physical property
the conversion of a liquid to a vapor when the vapor pressure of the liquid equals the atmospheric pressure
boiling
the change of a substance from one physical state to another
change of state
the change of state from a gas to a liquid
condensation
the change of state from a liquid to a gas
evaporation
the change of state by which a solid becomes a liquid by adding heat
melting
the process in which a solid changes directly into a gas
sublimation
a substance that cannot be separated or broken down into simpler substance by chemical means
element
an element that is shiny and conducts heat and electricity well
metal
an element that has properties of both metals and nonmetals
metalloid
an element that conducts heat and electricity poorly
nonmetal
a sample of matter, either a single element or a single compound, that has definite chemical and physical properties
pure substance
the amount of a particular substance in a given quantity of a mixture, solution or ore
concentration
a combination of two or more substances that are not chemically combined
mixture
he ability of one substance to dissolve in another at a given temperature and pressure
solubility
the minor component in a solution, dissolved in the solvent.
solute
a homogeneous mixture throughout which two or more substances are dispersed
solution
in a solution, the substance in which the solute dissolves
solvent