Which one of the following species has as many electrons as it has neutrons?
A) (1H)
B) (40Ca2+)
C) (14C)
D) (19F-)
E) (14C2+)
Correct Answer:
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Q58: Which pair of elements would you expect
Q59: The element X has three naturally occurring
Q60: Which pair of elements would you expect
Q61: There are _ protons,_ neutrons,and _ electrons
Q62: Which species has 18 electrons?
A)(39K)
B)(32S2-)
C)(35Cl)
D)(27Al3+)
E)(45Sc3+)
Q64: Of the choices below,which one is not
Q65: The molecular formula of a compound is
Q66: An empirical formula always indicates _.
A)which atoms
Q67: There are _ protons,_ neutrons,and _ electrons
Q68: Which species has 16 protons?
A)
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