The atomic number of sodium is 11 while the atomic mass number is 23. Which of the following is NOT true of an atom of sodium?
A) 11 protons
B) 8 electrons in the valence shell of a neutral sodium atom
C) 11 neutrons
D) 11 electrons
E) 1 electron in the valence shell of a neutral sodium atom
C
Anatomy & Physiology
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Fill in the blank with the correct word.
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