Multiple Choice
When can we say that atom has no vacancy,or the atom is full?
A) An atom's outer shell is filled with electrons
B) An atom's inner shell is filled with electrons
C) An atom's outer shell is filled with neutrons
D) An atom's outer shell is filled with protons
E) An atom's inner shell is filled with protons
Correct Answer:

Verified
Correct Answer:
Verified
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