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How to Read TPT

these are flash cards on how to read the Periodic Table and find values

What does the automic number signify? The amount of protons in each element and electrons
What do the columns separate the elements into? *element groups *similar properties
Where is the atomic mass located? At the bottom of the box
Atoms must have__________. an equal amount of protons
The atomic weight _____________. a measurement of the total number of particles in an atom's nucleus
To find the mass number you need to______. round the atomic weight to the next whole number
Mass number = number of protons + number of neutrons
Protons= Mass number - number of neutrons
Neutrons = Mass number- number of protons
Created by: 1531900713