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Choose the best Lewis structure for Choose the best Lewis structure for A) B) C) D) E)


A) Choose the best Lewis structure for A) B) C) D) E)
B) Choose the best Lewis structure for A) B) C) D) E)
C) Choose the best Lewis structure for A) B) C) D) E)
D) Choose the best Lewis structure for A) B) C) D) E)
E) Choose the best Lewis structure for A) B) C) D) E)

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

Correct Answer

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E

The name of the The name of the ion is A) copper(I) . B) cobalt. C) copper(II) . D) copper. ion is


A) copper(I) .
B) cobalt.
C) copper(II) .
D) copper.

E) B) and C)
F) A) and D)

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If the electronegativity difference between elements X and Y is 2.1, the bond between the elements X-Y is


A) nonpolar ionic.
B) impossible.
C) ionic.
D) polar covalent.
E) nonpolar covalent.

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

Correct Answer

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C

The strongest interactions between molecules of ammonia, The strongest interactions between molecules of ammonia, are A) polar covalent. B) ionic bonds. C) dispersion forces. D) dipole-dipole attractions. E) hydrogen bonds. are


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

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

Correct Answer

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E

What is the formula of a compound that contains What is the formula of a compound that contains ions? A) B) C) D) E) ions?


A) What is the formula of a compound that contains ions? A) B) C) D) E)
B) What is the formula of a compound that contains ions? A) B) C) D) E)
C) What is the formula of a compound that contains ions? A) B) C) D) E)
D) What is the formula of a compound that contains ions? A) B) C) D) E)
E) What is the formula of a compound that contains ions? A) B) C) D) E)

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

Correct Answer

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The types of compounds that use prefixes in their names are


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

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

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The shape of the ammonia molecule The shape of the ammonia molecule is A) linear. B) hexagonal. C) square. D) octagonal. E) trigonal pyramidal. is


A) linear.
B) hexagonal.
C) square.
D) octagonal.
E) trigonal pyramidal.

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

Correct Answer

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What is the formula for aluminum nitrite?


A) What is the formula for aluminum nitrite? A) B) C) D) E)
B) What is the formula for aluminum nitrite? A) B) C) D) E)
C) What is the formula for aluminum nitrite? A) B) C) D) E)
D) What is the formula for aluminum nitrite? A) B) C) D) E)
E) What is the formula for aluminum nitrite? A) B) C) D) E)

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

Correct Answer

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Which of the following compounds contains an ionic bond?


A) Which of the following compounds contains an ionic bond? A) B) C) D) E)
B) Which of the following compounds contains an ionic bond? A) B) C) D) E)
C) Which of the following compounds contains an ionic bond? A) B) C) D) E)
D) Which of the following compounds contains an ionic bond? A) B) C) D) E)
E) Which of the following compounds contains an ionic bond? A) B) C) D) E)

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

Correct Answer

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The water molecule has a dipole with the negative portion


A) pointing from the oxygen through the hydrogen atoms.
B) localized between the hydrogen atoms.
C) localized on one of the hydrogens.
D) pointing toward the oxygen atom.
E) surrounding the molecule.

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

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What is the ionic charge of an ion with 13 protons and 10 electrons?


A) 3-
B) 2+
C) 2-
D) 3+
E) 1+

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

Correct Answer

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The formula of copper(I) sulfide is


A) The formula of copper(I) sulfide is A) B) C) D) E) Cu<sub>2</sub>(So<sub>4</sub>) <sub>3</sub>
B) The formula of copper(I) sulfide is A) B) C) D) E) Cu<sub>2</sub>(So<sub>4</sub>) <sub>3</sub>
C) The formula of copper(I) sulfide is A) B) C) D) E) Cu<sub>2</sub>(So<sub>4</sub>) <sub>3</sub>
D) The formula of copper(I) sulfide is A) B) C) D) E) Cu<sub>2</sub>(So<sub>4</sub>) <sub>3</sub>
E) Cu2(So4) 3

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

Correct Answer

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


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

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

Correct Answer

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The strongest interactions between molecules of hydrogen, The strongest interactions between molecules of hydrogen, are A) dispersion forces. B) hydrogen bonds. C) ionic bonds. D) dipole-dipole attractions. E) polar covalent. are


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

F) All of the above
G) D) and E)

Correct Answer

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is called A) iron(III) sulfate. B) iron(II) sulfate. C) iron trisulfate. D) iron sulfate. E) diiron trisulfate. is called


A) iron(III) sulfate.
B) iron(II) sulfate.
C) iron trisulfate.
D) iron sulfate.
E) diiron trisulfate.

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

Correct Answer

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An anion always


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

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

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


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

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

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


A) phosphate
B) hydroxide
C) sulfate
D) nitrate
E) bicarbonate

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

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What is the name of What is the name of ? A) chromium(III) nitrite B) chromium trinitrate C) chromium nitrate D) chromium(III) nitrate E) chromium trinitrite?


A) chromium(III) nitrite
B) chromium trinitrate
C) chromium nitrate
D) chromium(III) nitrate
E) chromium trinitrite

F) All of the above
G) A) and E)

Correct Answer

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Valence electrons are electrons located


A) in the nucleus of an atom.
B) in the outermost energy level of an atom.
C) in the first three shells of an atom.
D) in the innermost energy level of an atom.
E) throughout the atom.

F) All of the above
G) B) and E)

Correct Answer

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