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OpenStudy (anonymous):
By looking at a periodic table, Juan finds the following information on rubidium. (Symbol: Rb) (Atomic number: 37) (Atomic mass: 85) How many protons does a rubidium atom have? Use the information above. A. 37 B. 48 C. 85 D. 122
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OpenStudy (anonymous):
@Ashleyisakitty
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