anything that takes up space and has mass
changes that do not effect the composition of the substance
changes to the composition of the substance due to a reaction between substances
examples of physical properties
density, color, hardness, freezing point, boiling point, conduction of electrical currents
a substance that cannot be separated or broken down into simpler substances by chemical means
smallest unit of an element that has the chemical properties of that element; each element is made up of one kind of element
subatomic particle in the nucleus that has a positive charge
subatomic particle in the nucleus that has a neutral charge (no charge positively or negatively)
subatomic particle with a negative charge that moves around the nucleus
one f two or more atoms that have the same number of protons, but different numbers of neutrons.
process of a solid turning directly to a gas without going through a liquid phase
process of a gas turning directly to a solid without going through the liquid phase
process of a gas turning into a liquid
process of solids changing to a liquid
process of a liquid turning into a solid
process of liquid turning into a gas
Please allow access to your computer’s microphone to use Voice Recording.
We can’t access your microphone!
Click the icon above to update your browser permissions and try again
Reload the page to try again!
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Your microphone is muted
For help fixing this issue, see this FAQ.