Water and Mixtures
a physical combination of two or more substances that blend together without forming new substances
mixture
forces that hold atoms together
chemical bonds
the amount of space that matter takes up
volume
pure substances that cannot be broken down into simpler substances
elements
how hot or cold something is
temperature
substances that have the same uniform appearance throughout
homogenous mixtures
to produce new substances with chemical properties that are different from those of the original substances
chemical changse
has a definite shape and occupy a definite amount of space
a substance formed from the chemical combination of two or more elements that then act as a unique substance
compound
when a substance changes directly from a solid to a gas without going through a liquid state
a mixture that is separate, physically and usually visibly
heterogeneous mixtures
letters and numbers representing reactants and products in a chemical change
chemical equation
the measurement of how much mass fits within a certain volume
density
a chart that shows the elements in order of increasing atomic number
periodic table
the temperature at which the solid melts to become a liquid
melting point
a physical property of solutes in different solvents
solubility
reactant
the ability of an object to float in a fluid, which is a liquid or a gas
buoyancy
the smallest particle of an element that still has the same chemical properties of the element
atom
the process in which a liquid changes to a gas
vaporization
mixtures of one or more metals with other solids
alloy
when complex compounds break into simpler substances
decomposition reaction
properties of a substance that can be observed without changing the identity of the substance
physical properties
the way to indicate the composition of elements in a compound
chemical formula
the force exerted by gas
pressure