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24-02-2017
Chemistry

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To find the atomic mass (atomic weight) of an atom you need to know.......

a. How many protons are in the atom
b. How many neutrons are in the atom
c. The average number of protons and neutrons of all like substances on Earth (example- silver)
d. The chemical symbol, using letters

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chemistrylover chemistrylover

24-02-2017

Im pretty sure its A.) How many protons

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