Which ion has the same electron configuration as Kr?
A) Rb+
B) Br-
C) Se2-
D) All of these
Correct Answer:
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Q15: List the elements Cs,Ca,Ne,Na,Ar in order of
Q16: Which ion has the largest radius? Ca+2,Ca+1,Br-,K+
A)Ca+2
B)Ca+1
C)Br-
D)K+
Q17: Which ion has the smallest ionic radius?
A)F-
B)Cl-
C)Br-
D)I-
Q18: Which of the following most likely represent
Q19: Consider Li+,F-,and O2-.Which ratio should be the
Q21: Calculate the energy change for the formation
Q22: Consider the following electron configurations for neutral
Q23: Calculate the lattice energy for NaCl(s)using a
Q24: Calculate the lattice energy for MgCl2(s)using a
Q25: An element Y,has the following ionization energies
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