Set: Atoms

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TermDefinition
AtomSmallest perticle that can exsist by itself that retains properties of that element. Consists of 3 subatomic particles, 2 of which are present in the nucleus and make up the physical properties of the atom.
Proton(p+) has a positive charge and a mass of 1amu (atomic mass unit)
Neutron(n) has a neutral or no charge and also has a mass of 1amu (atomic mass unit)
Electron(e-) has a negative charge and is not present in the nucleus but instead orbiting the nucleus in shells of the atom making up its chemical property. Has a mass of1/2000
ExampleThe element copper (Cu) has an atomic number of 29 and a mass number of 64. This means there are 29 protons (p+=29), 35 neutrons (n=35) and 29 electrons (e-=29).

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Terms 5
Creator csburke641
Created June 3, 2008
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  1. Example The element copper (Cu) has an atomic number of 29 and a mass number of 64. This means there are 29 protons (p+=29), 35 neutrons (n=35) and 29 electrons (e-=29). - 1 miss
  2. Electron (e-) has a negative charge and is not present in the nucleus but instead orbiting the nucleus in shells of the atom making up its chemical property. Has a mass of1/2000 - 1 miss