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Jeopardy Game Exam II Review
1. What does it mean to have an ionic character?
• Ionic character means that there exists a separation charge. ti
h
• Unequal sharing or stealing of electrons.
• In a tug‐a‐war between the electrons, the bond with the highest ionic character is winning the most
winning the most.
http://learning.covcollege.ac.uk/content/Jorum/CHB_Ionic‐covalent‐bonds‐and‐
compounds_LM1.2‐04FEB08/page164.htm
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2. Do polar covalent bonds exhibit ionic character? Why or why not?
3. Which kind of bond has the very least if any ionic character?
Nonpolar covalent bonds
O
F
O
F
N
N
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4. Classify the following as either ionic, polar covalent, or nonpolar covalent.
a)
b)
c)
d)
e)
f)
Cr – O
Cs – F
F – F
O – O
Fe – S
Mg – F2
5. Rearrange the following in order of increasing ionic character.
•
•
•
•
•
Cr – S
Li – F
I – Br
Ba – S
Cu – Br
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6. What is the sum of the charges in the phosphate ion?
PO4‐3
PO43‐
7. What is an example of a nonpolar covalent bond?
O
F
O
F
N
N
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8. What is the chemical formula between barium and sulfur? What is the name?
Ba+2 S ‐2
BaS
Barium sulfide
9. What is the major difference between ionic and covalent bonding?
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10. Is a cation oxidized or reduced?
11. Name all 10 polyatomic anions that you must know for the exam.
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12. What is electronegativity? (Be specific.)
13. Which of the following bonds has the MOST ionic character? What kind of bonds are they?
a)) Co –
C S
b) Cu – S
c) Ni – S
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14. What is a family?
15. What is the oxidation number of nitrite?
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16. What is the net charge of the sulfate ion?
17. Rearrange the following in order of decreasing ionic character.
a)
b)
c)
d)
Cr – O
Li – F
O – O
Fe – S
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18. What is the net charge of the sulfate ion?
19. What is the name of the following chemical:
Li(ClO4)
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20. What is the name of the following chemical:
Li2(SO4)
21. In which Group number (including d orbitals) is sulfur in?
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22. Draw the Lewis Dot Structure of bromine. 23. How many electrons are available for bonding in the calcium atom?
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24. Draw the Lewis Dot Structure for Sulfur. How many pairs of electrons does sulfur have?
25. Draw the lewis dot structure for BeO
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26. Draw the lewis dot structure for the ion of nitrogen. 27. Draw the lewis dot structure for the ion of nitrogen. 14