tsanchez41700 tsanchez41700

14-07-2016
Chemistry

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the atomic number of an element is by counting the number of in an atom

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chrisrodriguez0 chrisrodriguez0

14-07-2016

How many protons, electrons and neutrons are in an atom of krypton, carbon, oxygen, ... The atomic number is the number of protons in an atom of an element. ... The mass number is a count of the number of particles in an atom's nucleus

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