states of matter
a substance that flows freely but is of constant volume
what is liquid?
A measure of the amount of space an object takes up
what is Density?
the withdrawal of heat to change something from a liquid to a solid
What is freezing?
tendency of a substance to undergo chemical reaction
What is reactivity?
the temperature at which a substance melts
What is melting point?
particles are packed tightly together so they are unable to move about very much.
what is a solid?
A measure of the force of gravity on an object
What is weight?
the process whereby heat changes something from a solid to a liquid
What is melting?
the ability of a substance to burn or ignite
what is Flammability?
the temperature at which a substance boils
What is Boiling point?
particles have a great deal of space between them and have high kinetic energy.
what is gas?
A characteristic of a pure substance that describes its ability to change into different substances
What is a chemical Property?
the substance changes from a gas to a liquid.
What is condensation?
the spontaneous emission of radiation in the form of particles
What is radioactivity?
large body of matter with no definite shape.
What is Mass?
consists of highly charged particles with extremely high kinetic energy.
what is plasma?
A spontaneous process in which unstable nuclei lose energy by emitting radiation
What is radioactive?
the substance changes from a liquid to a gas
What is vaporization?
having the properties of an acid
What is acidic?
A measure of the amount of space an object takes up
What is volume?
Ice cube changing to a liquid.
What is melting?
measure of how easily a mineral can be scratched
hardness
the substance changes directly from a solid to a gas
What is Sublimation?
substances that, in aqueous solution, release hydroxide
bases
It is a measure of how much stuff an object has in a unit volume
what is Density?