How many valence electrons does the element Co have?
A) 2
B) 7
C) 8
D) 9
Correct Answer:
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Q2: Transition series elements are all
A)gases.
B)metals.
C)nonmetals.
D)semimetals.
Q7: The number of transition series is
A)one
B)two
C)four
D)seven
Q14: Element M has the valence electron configuration
Q14: In which blocks of the periodic table
Q15: Which is a third transition series element?
A)Al
B)Mg
C)Pr
D)Pt
Q18: What is the ground-state electron configuration for
Q18: Which transition element has the highest melting
Q20: What two transition elements have the highest
Q21: Which is the strongest oxidizing agent under
Q22: Which of the following transition elements (Sc,Ti,V,Mn,and
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