Question 1

The compound Na2S2O3 is used extensively in photographic film processing. What is its chemical name?

Accepted Answer

A) sodium bisulfite 
B) sodium disulfur trioxide 
C) sodium oxosulfate(IV) 
D) sodium thiosulfate 
E) sodium trioxosulfite 
A) sodium bisulfite 
B) sodium disulfur trioxide 
C) sodium oxosulfate(IV) 
D) sodium thiosulfate 
E) sodium trioxosulfite D

Question 2

The name for ZnBr2, is zirconium bromide.

Accepted Answer

A) True 
 B)False  False

Question 3

How many protons, neutrons, and electrons are in the cation of the compound, 55MnP?

Accepted Answer

A) 25 protons, 30 neutrons, and 25 electrons 
B) 23 protons, 33 neutrons, and 28 electrons 
C) 28 protons, 27 neutrons, and 25 electrons 
D) 23 protons, 32 neutrons, and 26 electrons 
E) 25 protons, 30 neutrons, and 22 electrons 
A) 25 protons, 30 neutrons, and 25 electrons 
B) 23 protons, 33 neutrons, and 28 electrons 
C) 28 protons, 27 neutrons, and 25 electrons 
D) 23 protons, 32 neutrons, and 26 electrons 
E) 25 protons, 30 neutrons, and 22 electrons E

Question 4

A correct name for SnF4 is

Accepted Answer

A) stannic tetrafluoride. 
B) stannous fluoride. 
C) stannous(IV)fluoride. 
D) tin(IV)fluoride. 
E) tin tetrafluoride. 
A) stannic tetrafluoride. 
B) stannous fluoride. 
C) stannous(IV)fluoride. 
D) tin(IV)fluoride. 
E) tin tetrafluoride.

Question 5

How many atoms are there in one formula unit of NiSO4 .7H2O?

Accepted Answer

A) 9 
B) 14 
C) 27 
D) 28 
E) 33 
A) 9 
B) 14 
C) 27 
D) 28 
E) 33

Question 6

Select the examples in which the names do not correctly match the formulas of the compounds indicated.   Hint: Write the correct name of each formula without looking at the names and then compare it to the choices.

Accepted Answer

A) II only 
B) II and III 
C) III and IV 
D) I and IV 
E) I, II and IV 
A) II only 
B) II and III 
C) III and IV 
D) I and IV 
E) I, II and IV

Question 7

How many oxygen atoms are in one formula unit of Cu(NO3)2·5H2O?

Accepted Answer

A) 2 
B) 3 
C) 5 
D) 6 
E) 11 
A) 2 
B) 3 
C) 5 
D) 6 
E) 11

Question 8

What molecule is missing that would balance the given equation? 
2AgBr + 2NaOH + C6H6O2 ? 2Ag + ?? + 2NaBr + C6H4O2.Balance the equation by entering the correct coefficient and formula for the missing molecule. Hint: Figure out which elements are missing and consider the ratio of those elements.

Accepted Answer

Question 9

What is the total number of atoms represented by the following? 3Co(NO3)2·6H2O

Accepted Answer

A) 35 
B) 28 
C) 8 
D) 81 
E) 42 
A) 35 
B) 28 
C) 8 
D) 81 
E) 42

Question 10

How many atoms of each element are shown in the formula H2S2O7?

Accepted Answer

A) 2H, 2S, 7O 
B) 1H, 2S, 4O 
C) 2H, 1S, 1O 
D) 2H, 4S, 4O 
E) 1H, 1S, 1O 
A) 2H, 2S, 7O 
B) 1H, 2S, 4O 
C) 2H, 1S, 1O 
D) 2H, 4S, 4O 
E) 1H, 1S, 1O

Question 11

How many atoms of each element shown are in the formula Ni(ClO4)2?

Accepted Answer

A) 2Ni, 1Cl, 4O 
B) 1Ni, 2 Cl, 8O 
C) 2Ni, 1 Cl, 1O 
D) 2Ni, 4 Cl, 4O 
E) 1Ni, 1 Cl, 8O 
A) 2Ni, 1Cl, 4O 
B) 1Ni, 2 Cl, 8O 
C) 2Ni, 1 Cl, 1O 
D) 2Ni, 4 Cl, 4O 
E) 1Ni, 1 Cl, 8O

Question 12

What is the name for Na2Cr2O7?

Accepted Answer

A) sodium chromium(VII)ate 
B) sodium dichromate 
C) sodium dichromium heptaoxide 
D) sodium heptaoxochromate 
E) sodium perchromate 
A) sodium chromium(VII)ate 
B) sodium dichromate 
C) sodium dichromium heptaoxide 
D) sodium heptaoxochromate 
E) sodium perchromate

Question 13

How many additional hydrogen atoms and oxygen atoms are required on the right side to balance the given equation? 
Ba(OH)2·8H2O + 2NH4NO3 ? 2NH3 + H2O + Ba(NO3)2 Hint: Distribute coefficients across the entire compound and remember how subscripts apply to everything inside the parentheses.

Accepted Answer

Question 14

The transition metals begin in period ________ of the periodic table.

Accepted Answer

A) 2 
B) 3 
C) 4 
D) 1 
E) 5 
A) 2 
B) 3 
C) 4 
D) 1 
E) 5

Question 15

Starting with the hydrocarbon, C6H14, what is the most likely formula of the alcohol formed from this hydrocarbon?

Accepted Answer

A) C6H15(OH)2 
B) C6HOH 
C) C5H14OH 
D) C6H13OH 
E) C5H12OH 
A) C6H15(OH)2 
B) C6HOH 
C) C5H14OH 
D) C6H13OH 
E) C5H12OH

Question 16

A name for Ni(OCl)2 is nickel(II)hypochlorite.

Accepted Answer

A) True 
 B)False

Question 17

Which compound exists as a diatomic molecule in its free state?

Accepted Answer

A) helium 
B) fluorine 
C) neon 
D) argon 
E) xenon 
A) helium 
B) fluorine 
C) neon 
D) argon 
E) xenon

Question 18

How many atoms of each element appear on each side of the arrow in the following chemical equation? 2Fe(NO3)3 + 3Na2CO3  $\rarr$ Fe2(CO3)3 + 6NaNO3 Hint: Distribute coefficients across the entire compound for each reactant and product. Be sure to account for parenthesis.

Accepted Answer

A) 2Fe, 6N, 18O, 6Na, 3C 
B) 2Fe, 6N, 27O, 6Na, 9C 
C) 2Fe, 6N, 27O, 6Na, 3C 
D) 2Fe, 6N, 27O, 9Na, 3C 
E) 2Fe, 6N, 21O, 18Na, 3C 
A) 2Fe, 6N, 18O, 6Na, 3C 
B) 2Fe, 6N, 27O, 6Na, 9C 
C) 2Fe, 6N, 27O, 6Na, 3C 
D) 2Fe, 6N, 27O, 9Na, 3C 
E) 2Fe, 6N, 21O, 18Na, 3C

Question 19

The subscripts in the formulas do not normally produce an electrically neutral formula unit in ionic compounds.

Accepted Answer

A) True 
 B)False

Question 20

A name for the compound Mn(ClO4)2, is magnesium chlorate.

Accepted Answer

A) True 
 B)False

Exam 3: Elements, Compounds, and the Periodic Table

The compound Na2S2O3 is used extensively in photographic film processing. What is its chemical name?

The name for ZnBr2, is zirconium bromide.

How many protons, neutrons, and electrons are in the cation of the compound, 55MnP?

A correct name for SnF4 is

How many atoms are there in one formula unit of NiSO4 .7H2O?

Select the examples in which the names do not correctly match the formulas of the compounds indicated. Hint: Write the correct name of each formula without looking at the names and then compare it to the choices.

How many oxygen atoms are in one formula unit of Cu(NO3)2·5H2O?

What molecule is missing that would balance the given equation? 2AgBr + 2NaOH + C6H6O2 ? 2Ag + ?? + 2NaBr + C6H4O2.Balance the equation by entering the correct coefficient and formula for the missing molecule. Hint: Figure out which elements are missing and consider the ratio of those elements.

What is the total number of atoms represented by the following? 3Co(NO3)2·6H2O

How many atoms of each element are shown in the formula H2S2O7?

How many atoms of each element shown are in the formula Ni(ClO4)2?

What is the name for Na2Cr2O7?

How many additional hydrogen atoms and oxygen atoms are required on the right side to balance the given equation? Ba(OH)2·8H2O + 2NH4NO3 ? 2NH3 + H2O + Ba(NO3)2 Hint: Distribute coefficients across the entire compound and remember how subscripts apply to everything inside the parentheses.

The transition metals begin in period ________ of the periodic table.

Starting with the hydrocarbon, C6H14, what is the most likely formula of the alcohol formed from this hydrocarbon?

A name for Ni(OCl)2 is nickel(II)hypochlorite.

Which compound exists as a diatomic molecule in its free state?

How many atoms of each element appear on each side of the arrow in the following chemical equation? 2Fe(NO3)3 + 3Na2CO3 →\rarr→ Fe2(CO3)3 + 6NaNO3 Hint: Distribute coefficients across the entire compound for each reactant and product. Be sure to account for parenthesis.

The subscripts in the formulas do not normally produce an electrically neutral formula unit in ionic compounds.

A name for the compound Mn(ClO4)2, is magnesium chlorate.

A Very Brief History of Chemistry

Scientific Measurements

The Mole and Stoichiometry

Molecular View of Reactions in Aqueous Solutions

Oxidation-Reduction Reactions

Energy and Chemical Change

The Quantum Mechanical Atom

The Basics of Chemical Bonding

Theories of Bonding and Structure

Properties of Gases

Intermolecular Attractions and the Properties of Liquids and Solids

Mixtures at the Molecular Level: Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases, a Molecular Look

Acid-Base Equilibria in Aqueous Solutions

Solubility and Simultaneous Equilibria

Thermodynamics

Electrochemistry

Nuclear Reactions and Their Role in Chemistry

Metal Complexes

Organic Compounds, Polymers, and Biochemicals

Filters

The compound Na₂S₂O₃ is used extensively in photographic film processing. What is its chemical name?

The name for ZnBr₂, is zirconium bromide.

How many protons, neutrons, and electrons are in the cation of the compound, ⁵⁵MnP?

A correct name for SnF₄ is

How many atoms are there in one formula unit of NiSO₄.7H₂O?

How many oxygen atoms are in one formula unit of Cu(NO₃)₂·5H₂O?

What is the total number of atoms represented by the following? 3Co(NO₃)₂·6H₂O

How many atoms of each element are shown in the formula H₂S₂O₇?

How many atoms of each element shown are in the formula Ni(ClO₄)₂?

What is the name for Na₂Cr₂O₇?

Starting with the hydrocarbon, C₆H₁₄, what is the most likely formula of the alcohol formed from this hydrocarbon?

A name for Ni(OCl)₂ is nickel(II)hypochlorite.

How many atoms of each element appear on each side of the arrow in the following chemical equation? 2Fe(NO₃)₃ + 3Na₂CO₃ $\rarr$ Fe₂(CO₃)₃ + 6NaNO₃ Hint: Distribute coefficients across the entire compound for each reactant and product. Be sure to account for parenthesis.

A name for the compound Mn(ClO₄)₂, is magnesium chlorate.