In the symbol shown below,x = ________. 
C
A) 7
B) 13
C) 12
D) 6
E) not enough information to determine
Correct Answer:
Verified
Q34: Which of the following atoms has the
Q35: In the symbol below,x = _.
Q36: There are _ electrons,_ protons,and _ neutrons
Q37: The subatomic particles located in the nucleus
Q38: An atom of the most common isotope
Q40: Isotopes are atoms that have the same
Q41: Element X has three naturally occurring isotopes.The
Q42: The element X has three naturally occurring
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Q44: Which pair of elements below should be
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