What is the ground-state electron configuration of the ion Cu2+?
A) [Ar] 3d9
B) [Ar] 4s1 3d8
C) [Ar] 4s2 3d7
D) [Ar] 4s2 3d10 4p1
Correct Answer:
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Q2: Which of the following three sets consist
Q3: Arrange the ions N3-,O2-,Mg2+,Na+,and F- in order
Q4: Consider the following ground state electron configuration:
Q5: Of the following,which element has the highest
Q6: Of the following,which element has the highest
Q7: Which ion has the smallest ionic radius?
A)Li+
B)Na+
C)K+
D)Rb+
Q8: What is the ground-state electron configuration of
Q9: Of the following,which element has the highest
Q10: List the elements Na,Ca,Rb,Cl,He in order of
Q11: Of the following,which element has the highest
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