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How to calculate atomic number?
Total number of protons found in an element
How to calculate atomic mass?
Total number of protons + neutrons in an element
What do the groups determine in the periodic table?
The columns
Elements in same group have similar chemical properties because they have same amount of valence electrons
What do the periods determine in the periodic table?
The rows
Determines number of electron shells
What are the charges for each group?

Draw line splitting metals from non-metals
