atoms
what are the three states of matter
solid , liquid , gas
what is the freezing point for liquid nitrogen
-196 deegrees
what is the charge of a electron
negative
what is it called when a solid goes directly to a gas
sublimation
what is the charge of a proton
postive
what is it called when a gas goes directly to a solid
deposition
what is the charge of a neutron
neutral
what happens when you add heat to a element
the atoms go faster
what is the center of the atom called
nucles
what happens when a element gets cold
atoms go slower