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ISOTOPES - different atomic forms of the same element which have the same number of protons, but a different number of neutrons
atoms must have the same atomic number but different mass numbers
if they had different atomic numbers they'd be different elements all together
Atomic number and Mass number describe an atom
the mass number of total number of protons and neutrons
The atomic number is the number of protons
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- Apunte sobre Sin título, creado por zenirah09 el 14/05/2014.
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- zenirah09 · may 2014
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