Which of the following has the greatest number of unpaired electrons?
A) Cr2+
B) Ti3+
C) Co2+
D) Ni
Correct Answer:
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Q36: A is the sequence Na,Mg,Al,Si,and P.B is
Q37: The effective nuclear charge for sodium is:
A)+10
B)+9
C)+1
D)+11
E)0
Q38: Which of the following has the largest
Q39: Which of the following has the largest
Q40: Which statement best describes relationships in a
Q42: Which species is diamagnetic?
A)atomic sodium
B)atomic fluorine
C)iron(III)ion
D)calcium(II)ion
E)cobalt(II)ion
Q43: Which of the following has the smallest
Q44: List in order of increasing charge of
Q45: The number of valence electrons for atomic
Q46: List in order of increasing size: Cl-,Ar,K+,S2-,Ca2+.
A)Ca2+
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