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WHAT IS AN ATOM?
Atomic Theory
Sub-atomic Particles
Electronic configuration
It's how electrons are arranged in an atom
Atomic Number
This is the number of protons in an atom
Number of protons = Number of electrons
e.g Na has 11 protons, so it's atomic number is 11
Nuclide Notation
how to represent atoms by displaying their atomic and mass numbers
Nucleons
Relative Atomic Mass (R.A.M)
How many times does the mass of 1/12 th the mass of carbon fit into one atom of that element
