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Physics 21 Online
OpenStudy (anonymous):

The number of _____ is equal to the atomic number.

OpenStudy (anonymous):

Protons

OpenStudy (anonymous):

Protons or Electron in Isolated Atom

OpenStudy (fellowroot):

Yes, @ Yahoo! Atomic Number is the number of electrons in a neutral atom and is also the number of positive charges (protons) in the nucleus.

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