Classifying matter

Pure substance that cannot be broken down into a simpler substance

found in the nucleus and have a positive charge

take up a definite amount of space(volume) but do not have a definite shape

found in the nucleus and have no electrical charge; there are neutral

particles are closely packed and do not move

has a definite shape and occupies a definite amount of space(volume)

the amount of matter in an object is called

properties that can be observed without changing the identity

the pull of gravity on an object

the ratio of mass to volume.

have a negative charge and move around the nucleus

a substance formed from the chemical combination of two or more elements.

smallest particle of a compound that has all of the qualities of that compound

the smallest particle of an element that still has the same chemical properties of the element

the center of an atom that contains the most mass

anything with mass and volume

The measurement of how much mass fits within a certain volume

chart that shows the elements in order of increasing atomic number

do not take up a definite amount of space and have no definite shape

the number of protons in an atom of an element

The amount of space matter takes up

the ability of a substance to dissolve into a liquid

describes the ability of an object to float in a fluid such as a liquid or gas

the ability of an object to be attracted to magnets

the ability of an object to transfer heat of electricity to another object through contact

combination of two or more substances that do not form a new substance

matter exists in three different states: solid, liquid or gas