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Physics 15 Online
OpenStudy (anonymous):

What do the numbers listed for an element on the periodic table represent?

OpenStudy (anonymous):

of course their atomic numbers

OpenStudy (anonymous):

Which of these is it though?? I know its the atomic #

OpenStudy (anonymous):

atomic no<mass no atomic no=no of protons=no of electrons. mass no=no of protons+no of neutrons.

OpenStudy (anonymous):

Thank you!

OpenStudy (anonymous):

u r welcome jazzzz.By d way thanks for the medal.what r u studying?

OpenStudy (anonymous):

Just regular science but I forget the simplest things sometimes:/

OpenStudy (anonymous):

no probssss.

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