Question 1

The name of the ionic compound RbBrO4 is __________.

Accepted Answer

A)  rubidium perbromate
B)  rubidium bromate
C)  rubidium hypobromate
D)  rubidium perbromite
E)  rubidium bromideF) A) and B)
G) C) and E)

Question 2

Predict the empirical formula of the ionic compound that forms from aluminum and oxygen.

Accepted Answer

A)  AlO
B)  Al3O2
C)  Al2O3
D)  AlO2
E)  Al2OF) A) and C)
G) None of the above

Question 3

The gold foil experiment performed in Rutherford's lab __________.

Accepted Answer

A)  confirmed the plum-pudding model of the atom
B)  led to the discovery of the atomic nucleus
C)  was the basis for Thomson's model of the atom
D)  utilized the deflection of beta particles by gold foil
E)  proved the law of multiple proportionsF) A) and B)
G) A) and C)

Question 4

The charge on the copper ion in the salt CuO is __________.

Accepted Answer

A)  +1
B)  +2
C)  +3
D)  -1
E)  -2F) B) and D)
G) A) and E)

Question 5

Which species below is the nitrate ion?

Accepted Answer

A)  NO2-
B)  NH4+
C)  NO3-
D)  N3-
E)  N3-F) A) and E)
G) A) and D)

Question 6

The name of the ionic compound NH4CN is __________.

Accepted Answer

A)  nitrogen hydrogen cyanate
B)  ammonium carbonitride
C)  ammonium cyanide
D)  ammonium hydrogen cyanate
E)  cyanonitrideF) B) and E)
G) A) and D)

Question 7

Which atom has the largest number of neutrons?

Accepted Answer

A)  phosphorus-30
B)  chlorine-37
C)  potassium-39
D)  argon-40
E)  calcium-40F) All of the above
G) A) and C)

Question 8

Of the choices below, which one is not an ionic compound?

Accepted Answer

A)  PCl5
B)  MoCl6
C)  RbCl
D)  PbCI2
E)  NaClF) A) and D)
G) A) and B)

Question 9

The correct formula for molybdenum(IV) hypochlorite is __________.

Accepted Answer

A)  Mo(ClO3) 4
B)  Mo(ClO) 4
C)  Mo(ClO2) 4
D)  Mo(ClO4) 4
E)  MoCl4F) A) and B)
G) A) and C)

Question 10

Barium reacts with a polyatomic ion to form a compound with the general formula Ba3(X) 2. What would be the most likely formula for the compound formed between sodium and the polyatomic ion X?

Accepted Answer

A)  NaX
B)  Na2X
C)  Na2X2
D)  Na3X
E)  Na3X2F) A) and B)
G) A) and C)

Question 11

The ions Ca2+and PO43- form a salt with the formula __________.

Accepted Answer

A)  CaPO4
B)  Ca2 (PO4) 3
C)  Ca2PO4
D)  Ca(PO4) 2
E)  Ca3 (PO4) 2F) B) and D)
G) B) and C)

Question 12

Which pair of elements would you expect to exhibit the greatest similarity in their physical and chemical properties?

Accepted Answer

A)  As, Br
B)  Mg, Al
C)  I, At
D)  Br, Kr
E)  N,OF) A) and E)
G) C) and E)

Question 13

Chromium and chlorine form an ionic compound whose formula is CrCl3. The name of this compound is __________.

Accepted Answer

A)  chromium chlorine
B)  chromium(III) chloride
C)  monochromium trichloride
D)  chromium(III) trichloride
E)  chromic trichlorideF) None of the above
G) B) and D)

Question 14

What group in the periodic table would the fictitious element :  : be found?

Accepted Answer

The answer of What group in the periodic table would...

Question 15

The possible oxidation numbers for iron are +1 and +2.

Accepted Answer

A) True 
 B)False

Question 16

Different isotopes of a particular element contain the same number of __________.

Accepted Answer

A)  protons
B)  neutrons
C)  protons and neutrons
D)  protons, neutrons, and electrons
E)  subatomic particlesF) B) and C)
G) All of the above

Question 17

An atom of the most common isotope of gold, 197Au, has __________ protons, __________ neutrons, and __________ electrons.

Accepted Answer

A)  197, 79, 118
B)  118, 79, 39
C)  79, 197, 197
D)  79, 118, 118
E)  79, 118, 79F) B) and D)
G) C) and D)

Question 18

The empirical formula of a compound with molecules containing 12 carbon atoms, 14 hydrogen atoms, and 6 oxygen atoms is __________.

Accepted Answer

A)  C12H14O6
B)  CHO
C)  CH2O
D)  C6 H7O3
E)  C2H4OF) C) and E)
G) B) and E)

Question 19

Elements in Group 6A are known as the __________.

Accepted Answer

A)  alkali metals
B)  chalcogens
C)  alkaline earth metals
D)  halogens
E)  noble gasesF) A) and C)
G) A) and E)

Question 20

Iron and chlorine form an ionic compound whose formula is FeCl3. The name of this compound is __________.

Accepted Answer

A)  iron chlorine
B)  iron (III) chloride
C)  moniron trichloride
D)  iron (III) trichloride
E)  ferric trichlorideF) B) and E)
G) All of the above

Exam 2: Atoms, Molecules, and Ions

The name of the ionic compound RbBrO4 is __________.

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Which species below is the nitrate ion?

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The possible oxidation numbers for iron are +1 and +2.

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The gold foil experiment performed in Rutherford's lab __________.

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An atom of the most common isotope of gold, 197Au, has __________ protons, __________ neutrons, and __________ electrons.

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The correct formula for molybdenum(IV) hypochlorite is __________.

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The charge on the copper ion in the salt CuO is __________.

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The ions Ca2+and PO43- form a salt with the formula __________.

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Which atom has the largest number of neutrons?

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Of the choices below, which one is not an ionic compound?

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Different isotopes of a particular element contain the same number of __________.

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Iron and chlorine form an ionic compound whose formula is FeCl3. The name of this compound is __________.

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Barium reacts with a polyatomic ion to form a compound with the general formula Ba3(X) 2. What would be the most likely formula for the compound formed between sodium and the polyatomic ion X?

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The name of the ionic compound NH4CN is __________.

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Elements in Group 6A are known as the __________.

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Chromium and chlorine form an ionic compound whose formula is CrCl3. The name of this compound is __________.

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Predict the empirical formula of the ionic compound that forms from aluminum and oxygen.

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Which pair of elements would you expect to exhibit the greatest similarity in their physical and chemical properties?

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The empirical formula of a compound with molecules containing 12 carbon atoms, 14 hydrogen atoms, and 6 oxygen atoms is __________.

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What group in the periodic table would the fictitious element : : be found?

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The name of the ionic compound RbBrO₄ is __________.

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An atom of the most common isotope of gold, ¹⁹⁷Au, has protons, neutrons, and __ electrons.

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The ions Ca²⁺and PO₄³^-form a salt with the formula __________.

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Iron and chlorine form an ionic compound whose formula is FeCl₃. The name of this compound is __________.

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Barium reacts with a polyatomic ion to form a compound with the general formula Ba₃(X) ₂. What would be the most likely formula for the compound formed between sodium and the polyatomic ion X?

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The name of the ionic compound NH₄CN is __________.

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Chromium and chlorine form an ionic compound whose formula is CrCl₃. The name of this compound is __________.

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