Question 1

How many protons, neutrons, and electrons are in the ion, 57Fe3+?

Accepted Answer

A) 27 protons, 30 neutrons, and 30 electrons 
B) 26 protons, 31 neutrons, and 23 electrons 
C) 29 protons, 28 neutrons, and 26 electrons 
D) 26 protons, 31 neutrons, and 29 electrons 
E) 25 protons, 32 neutrons, and 22 electrons 
A) 27 protons, 30 neutrons, and 30 electrons 
B) 26 protons, 31 neutrons, and 23 electrons 
C) 29 protons, 28 neutrons, and 26 electrons 
D) 26 protons, 31 neutrons, and 29 electrons 
E) 25 protons, 32 neutrons, and 22 electrons

Question 2

Hydrocarbons are organic compounds which have general formula ________.

Accepted Answer

The answer of Hydrocarbons are organic compounds which have general...

Question 3

What is the charge on all the ions of metals of Group IIA?

Accepted Answer

The answer of What is the charge on all the...

Question 4

What single coefficient is needed on the water formula to balance the following chemical equation? 
C2H5OH + 3O2 $\rarr$ 2CO2 + H2O

Accepted Answer

A) 2 
B) 3 
C) 4 
D) 5 
E) 6 
A) 2 
B) 3 
C) 4 
D) 5 
E) 6

Question 5

Which compound is correctly classified as a hydrocarbon?

Accepted Answer

A) C6H12O6 
B) C8H16 
C) HC2H3O2 
D) NaHCl 
E) C2H5OH 
A) C6H12O6 
B) C8H16 
C) HC2H3O2 
D) NaHCl 
E) C2H5OH

Question 6

The number of atoms in one formula unit of C2H4(COOH)2 is

Accepted Answer

A) 10 
B) 11 
C) 12 
D) 14 
E) 16 
A) 10 
B) 11 
C) 12 
D) 14 
E) 16

Question 7

All of the following are alkali metals except

Accepted Answer

A) Sr. 
B) Na. 
C) Fr. 
D) Cs. 
E) Rb. 
A) Sr. 
B) Na. 
C) Fr. 
D) Cs. 
E) Rb.

Question 8

The correct formula for tin(II)nitrate is

Accepted Answer

A) Sn(NO2)2. 
B) Sn(NO3)2. 
C) Sn(NO3)3. 
D) Sn(NO3)4. 
E) Sn2NO3. 
A) Sn(NO2)2. 
B) Sn(NO3)2. 
C) Sn(NO3)3. 
D) Sn(NO3)4. 
E) Sn2NO3.

Question 9

What is the name of the compound, IBr3?

Accepted Answer

A) bromic iodide 
B) iodine bromate 
C) iodine tribromide 
D) iodine tribromine 
E) monoiodine tribromite 
A) bromic iodide 
B) iodine bromate 
C) iodine tribromide 
D) iodine tribromine 
E) monoiodine tribromite

Question 10

Which is a correct name for the compound Hg2Cl2? Hint: Consider the charge on the mercury ion.

Accepted Answer

A) dimercury dichloride 
B) mercuric chloride 
C) mercury(I)chloride 
D) mercury(II)dichloride 
E) There is no correct name; the formula should be HgCl. 
A) dimercury dichloride 
B) mercuric chloride 
C) mercury(I)chloride 
D) mercury(II)dichloride 
E) There is no correct name; the formula should be HgCl.

Question 11

What is a correct name for KHCr2O7?

Accepted Answer

A) potassium bichromite 
B) potassium bichromate 
C) potassium dichromic acid 
D) potassium monohydrogen chromite 
E) potassium monohydrogen dichromate 
A) potassium bichromite 
B) potassium bichromate 
C) potassium dichromic acid 
D) potassium monohydrogen chromite 
E) potassium monohydrogen dichromate

Question 12

The name for RbClO4, is rubidium(I)perchlorate.

Accepted Answer

A) True 
 B)False

Question 13

What is the name for CuHSO4?

Accepted Answer

A) copper(I)hydrogen sulfate 
B) copper(II)bisulfate acid 
C) copper hydrogen sulfur tetraoxide 
D) copper hydrogen sulfate 
E) copper sulfuric acid 
A) copper(I)hydrogen sulfate 
B) copper(II)bisulfate acid 
C) copper hydrogen sulfur tetraoxide 
D) copper hydrogen sulfate 
E) copper sulfuric acid

Question 14

Which metal is a liquid at room temperature (about 25°C)?

Accepted Answer

A) hydrogen 
B) bromine 
C) tungsten 
D) mercury 
E) chromium 
A) hydrogen 
B) bromine 
C) tungsten 
D) mercury 
E) chromium

Question 15

What is the formula for manganese(III)monohydrogen phosphate?

Accepted Answer

A) MnHO4 
B) MnHPO4 
C) MnHPO3 
D) Mn2(HPO4)3 
E) Mn3HPO4 
A) MnHO4 
B) MnHPO4 
C) MnHPO3 
D) Mn2(HPO4)3 
E) Mn3HPO4

Question 16

How many protons, neutrons, and electrons are in the ion, 37Cl-?

Accepted Answer

A) 37 protons, 18 neutrons, and 37 electrons 
B) 18 protons, 37 neutrons, and 17 electrons 
C) 17 protons, 20 neutrons, and 18 electrons 
D) 37 protons, 20 neutrons, and 18 electrons 
E) 17 protons, 17 neutrons, and 37 electrons 
A) 37 protons, 18 neutrons, and 37 electrons 
B) 18 protons, 37 neutrons, and 17 electrons 
C) 17 protons, 20 neutrons, and 18 electrons 
D) 37 protons, 20 neutrons, and 18 electrons 
E) 17 protons, 17 neutrons, and 37 electrons

Question 17

An element is found to be a solid with low electrical conductivity but does conduct electricity. It also has a high density, is shiny, and is also brittle, shattering when hit with a hammer. Based on these properties, this element would be best classified as ________.

Accepted Answer

The answer of An element is found to be a...

Question 18

The formula of the compound formed from the calcium ion and acetate ion is

Accepted Answer

A) CaC2H3O2. 
B) Ca2C2H3O2. 
C) Ca2(C2H3O2)4. 
D) Ca(C2H3O2)2. 
E) Ca(C2H3O2)3. 
A) CaC2H3O2. 
B) Ca2C2H3O2. 
C) Ca2(C2H3O2)4. 
D) Ca(C2H3O2)2. 
E) Ca(C2H3O2)3.

Question 19

How many electrons are gained when sulfur forms an anion?

Accepted Answer

The answer of How many electrons are gained when sulfur...

Question 20

A typographical error on an exam produced the formula, P4Se7, in one of the questions. How would you name this compound?

Accepted Answer

A) tetraphosphorus hexaselenide 
B) tetraphosphorus heptaselenide 
C) phosphorus heptaselenite 
D) phosphorus(IV)selenide 
E) phosphorus(VII)selenide 
A) tetraphosphorus hexaselenide 
B) tetraphosphorus heptaselenide 
C) phosphorus heptaselenite 
D) phosphorus(IV)selenide 
E) phosphorus(VII)selenide

Exam 3: Elements, Compounds, and the Periodic Table

How many protons, neutrons, and electrons are in the ion, 57Fe3+?

Hydrocarbons are organic compounds which have general formula ________.

What is the charge on all the ions of metals of Group IIA?

What single coefficient is needed on the water formula to balance the following chemical equation? C2H5OH + 3O2 →\rarr→ 2CO2 + H2O

Which compound is correctly classified as a hydrocarbon?

The number of atoms in one formula unit of C2H4(COOH)2 is

All of the following are alkali metals except

The correct formula for tin(II)nitrate is

What is the name of the compound, IBr3?

Which is a correct name for the compound Hg2Cl2? Hint: Consider the charge on the mercury ion.

What is a correct name for KHCr2O7?

The name for RbClO4, is rubidium(I)perchlorate.

What is the name for CuHSO4?

Which metal is a liquid at room temperature (about 25°C)?

What is the formula for manganese(III)monohydrogen phosphate?

How many protons, neutrons, and electrons are in the ion, 37Cl-?

An element is found to be a solid with low electrical conductivity but does conduct electricity. It also has a high density, is shiny, and is also brittle, shattering when hit with a hammer. Based on these properties, this element would be best classified as ________.

The formula of the compound formed from the calcium ion and acetate ion is

How many electrons are gained when sulfur forms an anion?

A typographical error on an exam produced the formula, P4Se7, in one of the questions. How would you name this compound?

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

How many protons, neutrons, and electrons are in the ion, ⁵⁷Fe³⁺?

What single coefficient is needed on the water formula to balance the following chemical equation? C₂H₅OH + 3O₂ $\rarr$ 2CO₂ + H₂O

The number of atoms in one formula unit of C₂H₄(COOH)₂ is

What is the name of the compound, IBr₃?

Which is a correct name for the compound Hg₂Cl₂? Hint: Consider the charge on the mercury ion.

What is a correct name for KHCr₂O₇?

The name for RbClO₄, is rubidium(I)perchlorate.

What is the name for CuHSO₄?

How many protons, neutrons, and electrons are in the ion, ³⁷Cl^-?

A typographical error on an exam produced the formula, P₄Se₇, in one of the questions. How would you name this compound?