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Chemistry 14 Online
OpenStudy (anonymous):

What one factor identifies an atom as a specific element? the number of protons. the atomic mass. the number of neutrons. the mass number.

OpenStudy (anonymous):

isn't it the avogadro number Na

OpenStudy (btaylor):

It is the number of protons, since (for example) Carbon always has 6 protons, while Boron has 5. The number of protons is the atomic number.

OpenStudy (anonymous):

thanks guys!!

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