Sign in to save your progress, vote, and build your own decks.Sign in
Chemistry
14 cards·by camjam
Atom
smallest part of an element that still has element properties
Things you know about elements by looking at periodic table
mass, charge, # of protons, electrons and neutrons. Metals, semimetals and non
metals,liquids, gases and solids
Element
a substance that cannot be broken into another substance
Atom
the smallest part of an element that still has element properties
molecule
Group of atoms held together by bond
Compound
two or more elements joined by chemical bond
mixture
two or more substances that are mixed but NOT chemically
solution
a homogenous mixture of two or more substances
Three states of matter that we studied
Solid liquid gas
How does matter change from one state to another
With added energy or pressure causes chemical or physical change
What are 3 subatomic particles that make up an atom
Proton, neutron, electron
Physical change
when substance changes shape, size and form. ex. break glass, chop wood
Chemical Change
when partical of 2 or more substances are rearranged to form NEW substance. Ex burn
wood,rustmetal
Law of Conservation of Matter
matter is neither created nor destsroyed