Periodic Table

Periodic Table

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Subatomic Particles

1. Protons

1. Positive charge: +1
2.  p+
3. Have mass
4. Found in the nucleus
   2. Neutrons

1. No charge 
2. n0
3. Have mass
4. Found in the nucleus
   3. Electrons

1. Negative charge: -1
2. e-
3. little to no Mass
4. In the empty space of the atom

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Atomic Mass: (decimal form) collective mass of p+ and no

• The atomic mass has to be rounded 

Atomic Number:  (whole number) total number of protons  or  electrons

Atomic Mass - Atomic Number = # of Neutrons

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