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Unit 1


What is the center of the atom called? Nucleus
This part of the atom has most of the atom's mass. What is it? Nucleus
Where are electrons located in the atom? Electron Cloud
What two particles are found in the nucleus of the atom? Protons and Neutrons
How do you find the mass number? Add the protons plus neutrons
When you add electrons to an atom what type of ion does it become? Anion
When you subtract electrons from an atom what type ion does it become? Cation
Name both types of nucleons. Proton or Neutron
Created by: ScottChem