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Chemistry Ch 4 Wilbraham Flashcards | StudBud
Chemistry Ch 4 Wilbraham
1 / 25
What is the atomic number and the mass number of an atom with 11 protons and 12 neutrons
A
atomic number = 11 and mass number = 12
B
atomic number = 12 and mass number = 11
C
atomic number = 23 and mass number = 12
D
atomic number = 11 and mass number = 23
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