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Matter 1: Physical/Chemical Properties & Changes
Review of Physical and Chemical Properties and Changes
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Physical change
change in appearance, but not subtance
Chemical change
changing to a new substance
Physical property
shape
Size
Physical property
color
Physical property
Physical property
mass
Chemical property
How a substance reacts to something
Atom
smallest whole bit of a substance
Nucleus
Center of an atom
Electron
Negatively charged particle
Proton
Positively charged particle
Neutron
A particle with no charge
Electron Cloud
Haze made by elctrons' rapid movement
