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zenirah09 English 1 page

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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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