Question 1

How many carbon atoms are in one molecule of C6H6?

Accepted Answer

A) 1 
B) 2 
C) 4 
D) 6 
E) 12 
A) 1 
B) 2 
C) 4 
D) 6 
E) 12

Question 2

What is the charge on all the ions of non-metals of Group VIIA?

Accepted Answer

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

Question 3

Some elements have properties that fit between metals and nonmetals. These elements are known most specifically as the

Accepted Answer

A) metals. 
B) nonmetals. 
C) halogens. 
D) alkaline earth metals. 
E) metalloids. 
A) metals. 
B) nonmetals. 
C) halogens. 
D) alkaline earth metals. 
E) metalloids.

Question 4

What is the name for Li2HPO4?

Accepted Answer

A) lithium monohydrogen phosphate 
B) There is no compound with that formula. 
C) dilithium monohydrogen phosphate 
D) lithium hydrogen phosphorus tetraoxide 
E) lithium phosphoric acid 
A) lithium monohydrogen phosphate 
B) There is no compound with that formula. 
C) dilithium monohydrogen phosphate 
D) lithium hydrogen phosphorus tetraoxide 
E) lithium phosphoric acid

Question 5

The most likely formula for the compound formed between antimony and chlorine is

Accepted Answer

A) SbCl. 
B) SbCl2. 
C) SbCl3. 
D) SbCl4. 
E) SbCl6. 
A) SbCl. 
B) SbCl2. 
C) SbCl3. 
D) SbCl4. 
E) SbCl6.

Question 6

Two atoms of nitrogen combine with one atom of oxygen to form one compound, whereas two atoms of nitrogen combine with five atoms of oxygen to form another compound. The ratio of the masses of oxygen in the two compounds must be ________.

Accepted Answer

The answer of Two atoms of nitrogen combine with one...

Question 7

How many oxygen atoms are in one formula unit of Mg(NO3)2?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 5 
E) 6 
A) 1 
B) 2 
C) 3 
D) 5 
E) 6

Question 8

When iron and sulfur combine chemically, the properties of the resulting compound are similar to that of each of the elements.

Accepted Answer

A) True 
 B)False

Question 9

A name for CrBr2, is chromic bromide.

Accepted Answer

A) True 
 B)False

Question 10

What single coefficient is needed on the water formula to balance the following chemical equation? 
As2O3 + 6KI + 6HCl $\rarr$ 2AsI3 + 6KCl + H2O

Accepted Answer

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

Question 11

The elements, carbon and oxygen, can combine to form only one compound.

Accepted Answer

A) True 
 B)False

Question 12

An alkaline earth metal, which we will represent by the symbol X, reacts with a halogen, which we will represent by the symbol Q. What would be the formula of the resulting compound?

Accepted Answer

A) XQ 
B) XQ2 
C) XQ4 
D) X2Q 
E) X4Q 
A) XQ 
B) XQ2 
C) XQ4 
D) X2Q 
E) X4Q

Question 13

Some of the nonmetals are solids at room temperature.

Accepted Answer

A) True 
 B)False

Question 14

What is the correct formula for chromium(VI)oxide?

Accepted Answer

The answer of What is the correct formula for chromium(VI)oxide?...

Question 15

The compound N2O4 is named nitrate tetraoxide.

Accepted Answer

A) True 
 B)False

Question 16

What is a correct name for the FeCrO4?

Accepted Answer

A) iron(II)chromate 
B) iron dichromate 
C) iron(III)chromium tetraoxide 
D) iron monochromate 
E) ferrous chrome 
A) iron(II)chromate 
B) iron dichromate 
C) iron(III)chromium tetraoxide 
D) iron monochromate 
E) ferrous chrome

Question 17

Select the examples in which the formula for the ionic compound is not written correctly or cannot exist as written. I. (NH4)2As
II. CuO
III. Mg(C2H3O)2
IV. Na3(HCO3)2

Accepted Answer

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

Question 18

Balance the following equation:CoS + CO + Cu → Co2(CO)8 + Cu2S

Accepted Answer

2CoS + 8CO

Question 19

The correct formula for the carbonate ion is

Accepted Answer

A) C2H3O2-. 
B) C2O42-. 
C) CO2-. 
D) CO3-. 
E) CO32-. 
A) C2H3O2-. 
B) C2O42-. 
C) CO2-. 
D) CO3-. 
E) CO32-.

Question 20

Vitellium phosphate has the formula, Vi3(PO4)2, while sodium nortonate has the formula, Na2NtO4. Which of the following would be the expected formula for vitellium nortonate? (Imaginary elements are used in this question.)Hint: Consider the rules for forming ionic compounds to figure out what the possible charge is. Remember ionic compounds are neutral.

Accepted Answer

A) ViNtO4 
B) Vi2NtO4 
C) Vi(NtO4)2 
D) Vi2(NtO4)3 
E) Vi3(NtO4)2 
A) ViNtO4 
B) Vi2NtO4 
C) Vi(NtO4)2 
D) Vi2(NtO4)3 
E) Vi3(NtO4)2

Exam 3: Elements, Compounds, and the Periodic Table

How many carbon atoms are in one molecule of C6H6?

What is the charge on all the ions of non-metals of Group VIIA?

Some elements have properties that fit between metals and nonmetals. These elements are known most specifically as the

What is the name for Li2HPO4?

The most likely formula for the compound formed between antimony and chlorine is

Two atoms of nitrogen combine with one atom of oxygen to form one compound, whereas two atoms of nitrogen combine with five atoms of oxygen to form another compound. The ratio of the masses of oxygen in the two compounds must be ________.

How many oxygen atoms are in one formula unit of Mg(NO3)2?

When iron and sulfur combine chemically, the properties of the resulting compound are similar to that of each of the elements.

A name for CrBr2, is chromic bromide.

What single coefficient is needed on the water formula to balance the following chemical equation? As2O3 + 6KI + 6HCl →\rarr→ 2AsI3 + 6KCl + H2O

The elements, carbon and oxygen, can combine to form only one compound.

An alkaline earth metal, which we will represent by the symbol X, reacts with a halogen, which we will represent by the symbol Q. What would be the formula of the resulting compound?

Some of the nonmetals are solids at room temperature.

What is the correct formula for chromium(VI)oxide?

The compound N2O4 is named nitrate tetraoxide.

What is a correct name for the FeCrO4?

Select the examples in which the formula for the ionic compound is not written correctly or cannot exist as written. I. (NH4)2As II. CuO III. Mg(C2H3O)2 IV. Na3(HCO3)2

Balance the following equation:CoS + CO + Cu → Co2(CO)8 + Cu2S

The correct formula for the carbonate ion is

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 carbon atoms are in one molecule of C₆H₆?

What is the name for Li₂HPO₄?

How many oxygen atoms are in one formula unit of Mg(NO₃)₂?

A name for CrBr₂, is chromic bromide.

What single coefficient is needed on the water formula to balance the following chemical equation? As₂O₃ + 6KI + 6HCl $\rarr$ 2AsI₃ + 6KCl + H₂O

The compound N₂O₄ is named nitrate tetraoxide.

What is a correct name for the FeCrO₄?

Select the examples in which the formula for the ionic compound is not written correctly or cannot exist as written. I. (NH₄)₂As II. CuO III. Mg(C₂H₃O)₂ IV. Na₃(HCO₃)₂

Balance the following equation:CoS + CO + Cu → Co₂(CO)₈ + Cu₂S