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A positive ion has more protons that electrons.

A) True
B) False

Correct Answer

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The molecule CO2 is linear.

A) True
B) False

Correct Answer

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How many electrons will chlorine gain or lose when it forms an ion?


A) lose 1
B) gain 1
C) lose 7
D) gain 2
E) lose 3

F) D) and E)
G) C) and D)

Correct Answer

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The formula for iron(II)sulfide is FeS.

A) True
B) False

Correct Answer

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Ionic bonding is expected in which of these compounds?


A) Ionic bonding is expected in which of these compounds? A) B) KF C) D) HF E)
B) KF
C) Ionic bonding is expected in which of these compounds? A) B) KF C) D) HF E)
D) HF
E) Ionic bonding is expected in which of these compounds? A) B) KF C) D) HF E)

F) A) and B)
G) A) and C)

Correct Answer

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Give the correct valence for ions of the following elements.

Premises
Cl
Ca
K
O
Al
Responses
2+
1-
1+
3+
2-
0

Correct Answer

2+
1-
1+
3+
2-
0

Double and triple bonds form because ________.


A) the atoms involved have high electronegativities
B) single covalent bonds do not give all of the atoms in the molecule eight valence electrons
C) one of the atoms in the molecule has more than 8 valence electrons
D) the ions involved have charges larger than one
E) there is at least one hydrogen atom involved in the bond

F) A) and B)
G) None of the above

Correct Answer

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The name of the The name of the ion is ________. A) copper(II) B) copper(I) C) copper(III) D) copper E) cuprum ion is ________.


A) copper(II)
B) copper(I)
C) copper(III)
D) copper
E) cuprum

F) A) and D)
G) B) and C)

Correct Answer

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Which of the following polyatomic ions has a 3- ionic charge?


A) hydroxide
B) nitrate
C) sulfate
D) phosphate
E) hydrogen carbonate

F) A) and B)
G) A) and C)

Correct Answer

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According to naming rules,the types of compound that use prefixes in their names are ________.


A) ionic compounds
B) ionic compounds involving transition metals
C) polyatomic ions
D) molecular compounds
E) compounds that contain polyatomic ions

F) C) and E)
G) B) and D)

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Identify each of the following compounds as covalent or ionic. -dihydrogen sulfide

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What is the correct formula for the iron(II) ion?


A) What is the correct formula for the iron(II) ion? A) B) C) D) E)
B) What is the correct formula for the iron(II) ion? A) B) C) D) E)
C) What is the correct formula for the iron(II) ion? A) B) C) D) E)
D) What is the correct formula for the iron(II) ion? A) B) C) D) E)
E) What is the correct formula for the iron(II) ion? A) B) C) D) E)

F) A) and D)
G) A) and C)

Correct Answer

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What is the formula of carbon tetraiodide?


A) CI
B) What is the formula of carbon tetraiodide? A) CI B) C) I D) E)
C) What is the formula of carbon tetraiodide? A) CI B) C) I D) E) I
D) What is the formula of carbon tetraiodide? A) CI B) C) I D) E)
E) What is the formula of carbon tetraiodide? A) CI B) C) I D) E) What is the formula of carbon tetraiodide? A) CI B) C) I D) E)

F) D) and E)
G) A) and B)

Correct Answer

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Which of the following elements does not exist as a diatomic molecule?


A) hydrogen
B) nitrogen
C) chlorine
D) oxygen
E) carbon

F) A) and C)
G) A) and D)

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In ionic compounds,________ lose their valence electrons to form positively charged ________.


A) metals,anions
B) nonmetals,cations
C) metals,polyatomic ions
D) nonmetals,anions
E) metals,cations

F) D) and E)
G) A) and E)

Correct Answer

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Which of the following substances contains a nonpolar covalent bond?


A) H2O
B) NaCl
C) Which of the following substances contains a nonpolar covalent bond? A) H<sub>2</sub>O B) NaCl C) D) E)
D) Which of the following substances contains a nonpolar covalent bond? A) H<sub>2</sub>O B) NaCl C) D) E)
E) Which of the following substances contains a nonpolar covalent bond? A) H<sub>2</sub>O B) NaCl C) D) E)

F) A) and E)
G) B) and E)

Correct Answer

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An anion always ________.


A) has a positive charge
B) contains a group of two or more atoms with a positive charge
C) contains a metal and a nonmetal
D) forms covalent bonds
E) has a negative charge

F) B) and C)
G) A) and E)

Correct Answer

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Which one of the following compounds contains an ion with a 3+ charge?


A) KCl
B) Which one of the following compounds contains an ion with a 3+ charge? A) KCl B) O C) D) CuCl E) O
C) Which one of the following compounds contains an ion with a 3+ charge? A) KCl B) O C) D) CuCl E)
D) CuCl
E) Which one of the following compounds contains an ion with a 3+ charge? A) KCl B) O C) D) CuCl E)

F) B) and D)
G) None of the above

Correct Answer

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Indicate the type of bonding you would expect between the following elements.

Premises
N and F
F and F
S and F
He and F
Na and F
Responses
ionic
none
nonpolar covalent
polar covalent

Correct Answer

N and F
F and F
S and F
He and F
Na and F

The main type of attractive forces between molecules of hydrogen (H2) are ________.


A) ionic bonds
B) hydrogen bonds
C) polar covalent
D) dipole-dipole attractions
E) dispersion forces

F) C) and D)
G) B) and E)

Correct Answer

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Showing 41 - 60 of 103

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