Which of the following has the smallest second ionization energy?
A) Si
B) Mg
C) Al
D) P
Correct Answer:
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Q38: Which of the following has the largest
Q39: Which of the following has the largest
Q40: Which statement best describes relationships in a
Q41: Which of the following has the greatest
Q42: Which species is diamagnetic?
A)atomic sodium
B)atomic fluorine
C)iron(III)ion
D)calcium(II)ion
E)cobalt(II)ion
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+
Q47: If the formula of an oxide is
Q48: Why is the electron affinity slightly positive
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