In which of the following sets do all species have the same number of electrons?
A) Cl-,Ar,Ca2+
B) N,O2-,F-
C) Sc3+,Y3+,La3+
D) Cr,Cr2+,Cr3+
Correct Answer:
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Q182: In which of the following sets do
Q183: Orange juice is an example of
A)a compound.
B)an
Q184: Aluminum is an example of
A)a compound.
B)an element.
C)a
Q185: A banana split is an example of
A)a
Q186: Water is an example of
A)a compound.
B)an element.
C)a
Q188: A bottle of pure element was missing
Q189: 24.0 g of which element contains the
Q190: The number of atoms of carbon in
Q191: How many electrons are in the ion,S2-?
A)14
B)18
C)30
D)34
Q192: In which of the following sets do
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