1. 1. The electron dot diagram that is incorrect.
A) I
B) Ca
C) Li
D) O

2. Correct !!
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3. 2. The one element that does not have 2 valence electrons.
A) Calcium
B) Magnesium
C) Beryllium
D) Carbon

4. Correct !!
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5. 3. The ion with the incorrect charge.
A) N3-
B) Cs2-
C) Na1+
D) I1-

6. Correct !!
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7. 4. The formula for the ionic compound Strontium nitride.
A) SrN
B) Sr3N2
C) Sr2N3
D) Sr3N

8. Correct !!
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9. 5. The correct name for AlP.
A) phosphorus aluminide
B) aluminum phosphorus
C) aluminum phosphide
D) aluminide phosphoride

10. Correct !!
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11. 6. A positive ion
A) ion
B) ionic bond
C) anion
D) cation

12. Correct !!
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13. 7. The attraction between a cation and an anion.
A) chemical bond
B) covalent bond
C) ionic bond
D) metallic bond

14. Correct !!
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15. 8. The formation of an ion involves
A) the transfer of protons.
B) the transfer of electrons.
C) sharing of electrons.
D) sharing of protons.

16. Correct !!
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17. 9. All are properties of ionic compounds except
A) crystal lattice structure.
B) brittle solids.
C) poor conductors of electricity as solids.
D) low melting points.

18. Correct !!
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19. 10.Ionization energies tend to
A) decrease as you go down a period.
B) increase as you go from right to left in a group.
C) decrease as you go from left to right in a group.
D) decrease as you go up a period.

20. Correct !!
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21. 11. The compound with the formula AlCl3 is
A) aluminide chlorine.
B) aluminum chlorine.
C) aluminum chloride.
D) aluminide chloride.

22. Correct !!
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23. 12. Which pair have the same electron configuration?
A) Cl- and Ar -
B) Cl - and Ar
C) Cl+ and Ar
D) Cl+ and Ar -

24. Correct !!
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25. 13. How many electrons does an element in Group 7A need to gain in order to achieve a stable electron configuration?
A) 8
B) 7
C) 1
D) 0

26. Correct !!
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27. 14. The group that is least likely to form ionic bonds.
A) group 7
B) group 6
C) group 3
D) group 4

28. Correct !!
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29. 15. The symbol for nitrate is NO3- and the symbol for copper (II) is Cu2+. What is the formula for copper (II) nitrate?
A) CuNO3
B) Cu(NO3)2
C) Cu2NO3
D) CuNO2

30. Correct !!
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31. 16. What type of bond forms when electrons are transferred from one atom to another?
A) metallic bond
B) ionic bond
C) polyatomic bond
D) covalent bond

32. Correct !!
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33. 17. The charge on the chloride ion in AlCl3 is
B) 1+.
C) 1-.
D) 3-.

34. Correct !!
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35. 18. The chemical formula for magnesium bromide is
A) Mg2Br2.
B) MgBr.
C) Mg2Br.
D) MgBr2.

36. Correct !!
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37. 19. The dots on an electron dot diagram represent
A) the nucleus and all non-valence electrons.
B) the nucleus.
C) valence electrons.
D) all non-valence electrons.

38. Correct !!
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39. 20. All of the following are possible charges on ions except
D)1+

40. Correct !!
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