Comprehensive Quiz: Module 4
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Question 1 of 25
1. Question
Formaldehyde has the chemical formula CH2O. How many nonbonding electrons must be shown in the Lewis structure of formaldehyde?
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Question 2 of 25
2. Question
What electronegativity difference is associated with a nonpolar covalent bond?
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Question 3 of 25
3. Question
What is the correct formula for Dinitrogen Pentafluoride?
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Question 4 of 25
4. Question
In the molecule PBr3, the central atom contains
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Question 5 of 25
5. Question
Which of the following situations is most likely to result in formation of a covalent bond?
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Question 6 of 25
6. Question
Which of the following occurs when a magnesium atom is converted to Mg2+?
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Question 7 of 25
7. Question
Which of the following molecules is polar?
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Question 8 of 25
8. Question
What is the formula of the compound formed by calcium and fluorine?
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Question 9 of 25
9. Question
Which of the following approximates the H—N—H bond angle in ammonia, NH3?
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Question 10 of 25
10. Question
In which of the following molecules does the carbon atom have a nearly trigonal planar distribution of electron density?
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Question 11 of 25
11. Question
In which of the following molecules does the carbon atom have a linear distribution of electron density?
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Question 12 of 25
12. Question
Which of the following elements is most electronegative?
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Question 13 of 25
13. Question
How many resonating structures are possible for ozone (O3) molecule?
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Question 14 of 25
14. Question
Which is most likely true for an atom with six valence electrons?
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Question 15 of 25
15. Question
The following represents carbonic acid, an important part of the buffer system in blood.
How many single covalent bonds are represented in this structure?CorrectIncorrect -
Question 16 of 25
16. Question
What is the most dominating Intermolecular force present in water?
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Question 17 of 25
17. Question
The ammonium ion has the formula NH4+. How many valence electrons are present in the Lewis structure of the ammonium ion?
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Question 18 of 25
18. Question
Which of the following is true for the molecule O=C=S?
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Question 19 of 25
19. Question
What is the correct formula for aluminum oxide?
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Question 20 of 25
20. Question
A compound used in the treatment of manic depression has the formula Li2CO3. Which of the following is the correct name for this compound?
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Question 21 of 25
21. Question
What is the most stable form of Lithium ion?
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Question 22 of 25
22. Question
The tin compound used to strengthen teeth has the formula SnF2. Which of the following is the correct systematic name for this compound?
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Question 23 of 25
23. Question
What is the correct name for Al2(SO4)3?
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Question 24 of 25
24. Question
Choose the best Lewis structure for OCl2.
a)
b)
c)
d)
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Question 25 of 25
25. Question
High electronegativities are associated with which type of elements?
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