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Science Matter+Atoms

QuestionAnswer
4 states of matter Solid, liquid, gas, plasma
Definite shape and volume. Very little heat. Molecules are bonded together but wiggling. solid
No definite shape, definite volume. Heat added to break bonds but molecules are still in contact moving around each other Liquid
No definite shape or volume. More heat added so that molecules are bouncing all over the place Gas
no definite shape or volume. (like a gas) Still more heat. Electrons are beginning to rip off of the molecule. Plasma
Center of the atom; contains proton and neutron Nucleus
Positive charge; 1 atomic mass unit Proton
Neutral charge; 1 atomic mass unit Neutron
Surrounds nucleus; electron orbital "layers" Electron cloud
negative charge; 0 atomic mass Electron
Ions Positive ion- atom lost an electron Negative ion- atom gained and electron
covalent bonding atoms share electrons
ionic bonding atoms transfer electrons
Metallic bonding electrons are shared by metallic ions
is the smallest part of a substance that has all the properties of that substance a molecule
difference between mixture and compound
Created by: user-2063537
 

 



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