8.2: Ionic Electron Configurations
Chapter 8

Dr. Robert E. Belford




Question 1
What is the electron configuration of Na+?
(A)  [Ne]3s2
(B)  [Ne]3s1
(C)  [Ne]3s3
(D)  [Ne]
 

Your response
Not answered yet

Question 2
What is the electron configuration of Zn?

(A)  [Ar]4s23d10
(B)  [Ar]4s24d8
(C)  [Ar]3d10
(D)  [Ar]4d10
 

Your response
Not answered yet

Question 3
What is the electron configuration of Zn2?

(A)  [Ar]4s23d8
(B)  [Ar]4s24d8
(C)  [Ar]4d10
(D)  [Ar]3d10
 
Hint

Your response
Not answered yet

Question 4
What is the electron configuration of Fe?

(A)  [Ar]4s24d6
(B)  [Ar]3p8
(C)  [Ar]4s23p5
(D)  [Ar]4s23d6
 

Your response
Not answered yet

Question 5
What is the electron configuration of Fe+2?
(A)  [Ar]4s23d4
(B)  [Ar]3d6
(C)  [Ar]3p7
(D)  [Ar]4d6
 

Your response
Not answered yet

Question 6
What is the electron configuration of Fe+3?
(A)  [Ar]4s23d9
(B)  [Ar]4s13d10
(C)  [Ar]3d5
(D)  [Ar]4s23d3
 

Your response
Not answered yet

Question 7
Fe+2 and Cr have the same number of valence electrons. Does this mean they are isoelectronic?
(A)  yes, they both have the same number of electrons
(B)  yes, they both are [Ar]3p6
(C)  yes, they both are
(D)  no, Fe +2 is [Ar]3d6and Cr is [Ar]4s13d5
 

Your response
Not answered yet

Question 8
What is the electron configuration of I-?

(A)  [Kr]5s24d105p6
(B)  [Kr]5s24d106p6
(C)  [Kr]5s25d106p6
(D)  [Kr]5s24d106p4
 

Your response
Not answered yet

Question 9
Which is larger, Mg or Mg+2?
(A)  Mg
(B)  Mg+2
(C) 
(D) 
 
Hint

Your response
Not answered yet

Question 10
Which is larger, Cl or Cl-?
(A)  Cl
(B)  Cl-
(C) 
(D) 
 

Your response
Not answered yet

Question 11
Which has the larger diameter?
(A)  F-
(B)  Cl-
(C)  Br-
(D)  I-
 

Your response
Not answered yet

Question 12
Which has the larger diameter?
(A)  Ca+2
(B)  K+
(C)  Cl-
(D)  S-2
 

Your response
Not answered yet

Question 13
Place KBr, KF,NaF & LiF in order if increasing crystal lattice energy.
(A)  KF<NaF<LiF <KBr
(B)  LiF<NaF<KF<KBr
(C)  KBr<KF<NaF<LiF
(D)  KBr<LiF<NaF<KF
 
Hint

Your response
Not answered yet

Question 14
Place LiF, CaF2, AlF3, Al2O3 in the order of increasing crystal lattice energies
(A)  Al2O3< AlF3<CaF2<LiF
(B)  CaF2< AlF3< Al2O3<LiF
(C)  CaF2< LiF< AlF3< Al2O3
(D)  LiF<CaF2< AlF3< Al2O3
 
Hint

Your response
Not answered yet