The Periodic Table

The Periodic Table

1. Displays Name, atomic number, symbol, and atomic mass

   • The number of protons an element has in its nucleus
   • electrons = protons in an atom
   • each proton and neutron has a mass of atomic mass of 1

2. In atomic number = # of protons

3. atomic number - mass = number of neutrons in the nucleus

4. Isotypes are elements that exist in many forms

5. groups are columns of the periodic table

   • Chemical Families

6. Mass Number

   • The total number of protons and neurons in an atom of the element

7. periods are rows on the periodic table

   • gaps in periods to keep similar properties in same group

8. Hos to figure out Atomic Mass?