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General Organic
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General Organic
Chemistry
Quiz 3 :
Ionic and Covalent Compounds
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Quiz 3 :
Ionic and Covalent Compounds
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Which of the following Lewis dot structures best represents the chlorine atom?
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Q01
Answer:
Answer:
B
Which of the following is NOT composed of polyatomic ions?
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Q02
Answer:
Answer:
A
Which element forms a cation?
Free
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Q03
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Answer:
D
Lewis electron dot structures represent the
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Q04
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Which of the following statements about ionic compounds is NOT true?
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Q05
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What is the ionic formula for the ionic compound composed of calcium and chloride ions?
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Q06
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What is the total number of valence electrons in the chloroethylene molecule (C
2
H
3
Cl)?
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Q07
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Which statement BEST describes the meaning of an expanded octet?
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Q08
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People on a low salt diet use a potassium chloride substitute for sodium chloride.Which of the following is a valid ionic formula for potassium chloride?
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Q09
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Oxygen is a _______ and therefore _______ when it forms an ion.
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Q10
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Calcium carbonate has the formula CaCO
3
.What is the charge on the polyatomic carbonate ion?
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Q11
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How many bonds is chlorine MOST likely to form?
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Q12
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Select the statement that BEST differentiates between bonding and nonbonding electrons.
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Q13
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What is the meaning of the symbol below? [PO
4
]
3-
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Q14
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How many multiple bonds are in the chloroethylene molecule (C
2
H
3
Cl)?
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Q15
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Which of the following is the formula for an ionic compound called iron(III)oxide?
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Q16
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"Laughing gas" has the formula N
2
O.Which of the following is the best name for this compound?
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Q17
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Which of the following statements about caffeine is TRUE?
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Q18
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What is the charge on iron in the ionic compound FeCl
3
?
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Q19
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Which of the structures are covalent compounds?
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