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OpenStudy (anonymous):
The atomic number of an element is 19. Which is true of this element? A. Each atom has 19 protons. B. Each atom has 19 neutrons. C. Each atom forms 19 ions. D. Each atom has an atomic mass of 19.
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OpenStudy (anonymous):
@pooja195
OpenStudy (anonymous):
@~*Ashtyn*~
OpenStudy (anonymous):
Oh no gtg be back later
OpenStudy (anonymous):
is it B.?
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