Question 1

The name for As4S10 is ________.

Accepted Answer

tetraarsen

Question 2

The vertical columns in the periodic table are numbered sequentially, 1 through ________ using Arabic numerals.

Accepted Answer

The answer of The vertical columns in the periodic table...

Question 3

Engrium sulfate has the formula, En2(SO4)3, while sodium nortonite has the formula Na2NtO3. Based on these names and formulas, what would you expect for the formula of engrium 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) EnNtO4 
B) En2NtO4 
C) En(NtO4)2 
D) En2(NtO4)3 
E) En3(NtO4)2 
A) EnNtO4 
B) En2NtO4 
C) En(NtO4)2 
D) En2(NtO4)3 
E) En3(NtO4)2

Question 4

List how many oxygen atoms are present in one molecule of H3PO4

Accepted Answer

Question 5

What is the name of the following compound: (NH4)2SO4?

Accepted Answer

Question 6

What is the name for Cu2SO3?

Accepted Answer

A) copper(I)sulfite 
B) copper(II)sulfite 
C) copper thiosulfate 
D) cuprous sulfate 
E) dicopper sulfur trioxide 
A) copper(I)sulfite 
B) copper(II)sulfite 
C) copper thiosulfate 
D) cuprous sulfate 
E) dicopper sulfur trioxide

Question 7

Which of these pairs of elements would be most likely to form a molecular compound?

Accepted Answer

A) P and Br 
B) Cu and K 
C) K and O 
D) O and Zn 
E) Al and Rb 
A) P and Br 
B) Cu and K 
C) K and O 
D) O and Zn 
E) Al and Rb

Question 8

What is the formula for magnesic perchlorate?

Accepted Answer

A) MgClO3 
B) Mg(ClO3)2 
C) Mg2ClO3 
D) MgO(ClO3)2 
E) There is no such compound. 
A) MgClO3 
B) Mg(ClO3)2 
C) Mg2ClO3 
D) MgO(ClO3)2 
E) There is no such compound.

Question 9

How many hydrogen atoms appear on the reactant side of the equation, 
4NH3 + 3O2 ? 2N2 + 6H2O?

Accepted Answer

Question 10

What is the formula of the compound formed from Cr3+ and H2PO4-?

Accepted Answer

Question 11

Which compound is not a simple hydrocarbon?

Accepted Answer

A) C6H12 
B) C8H16 
C) C2H6 
D) C5H5N 
E) C3H6 
A) C6H12 
B) C8H16 
C) C2H6 
D) C5H5N 
E) C3H6

Question 12

How many hydrogen atoms are present in the formula, (NH4)3PO4?

Accepted Answer

Question 13

Write the formula for the hydrated compound that has the atoms and, or groups in the order given: 1 K, 1 Al, two groups of 1 S and 4 O, and twelve groups made up of 2 H and 1 O. Hint: The groups of atoms are clusters such as polyatomic ions or water.

Accepted Answer

Question 14

Metalloids tend to be malleable and ductile in nature.

Accepted Answer

A) True 
 B)False

Question 15

List how many oxygen atoms are present in one formula unit of CoSO4·6H2O.

Accepted Answer

Question 16

Which is a correct name for the compound CoF3?

Accepted Answer

A) cobalt fluoride 
B) cobalt trifluoride 
C) cobalt(III)fluoride 
D) cobaltic trifluoride 
E) cobaltous fluoride 
A) cobalt fluoride 
B) cobalt trifluoride 
C) cobalt(III)fluoride 
D) cobaltic trifluoride 
E) cobaltous fluoride

Question 17

If the NtO42 ion is called nortonate, what is the correct name for the compound K2NtO4?

Accepted Answer

A) dipotassium nortonium tetraoxide 
B) dipotassium nortonate 
C) potassium nortonate 
D) potassium(I)nortonate 
E) potassium(II)nortonate 
A) dipotassium nortonium tetraoxide 
B) dipotassium nortonate 
C) potassium nortonate 
D) potassium(I)nortonate 
E) potassium(II)nortonate

Question 18

Write the most likely formula for the ionic compound formed from magnesium and phosphorus.

Accepted Answer

A) MgP2 
B) Mg3P 
C) Mg2P 
D) Mg3P2 
E) MgP3 
A) MgP2 
B) Mg3P 
C) Mg2P 
D) Mg3P2 
E) MgP3

Question 19

What is the correct formula for sodium sulfide?

Accepted Answer

The answer of What is the correct formula for sodium...

Question 20

As a general rule, molecular compounds are formed when nonmetallic elements combine.

Accepted Answer

A) True 
 B)False

Exam 3: Elements, Compounds, and the Periodic Table

The name for As4S10 is ________.

The vertical columns in the periodic table are numbered sequentially, 1 through ________ using Arabic numerals.

List how many oxygen atoms are present in one molecule of H3PO4

What is the name of the following compound: (NH4)2SO4?

What is the name for Cu2SO3?

Which of these pairs of elements would be most likely to form a molecular compound?

What is the formula for magnesic perchlorate?

How many hydrogen atoms appear on the reactant side of the equation, 4NH3 + 3O2 ? 2N2 + 6H2O?

What is the formula of the compound formed from Cr3+ and H2PO4-?

Which compound is not a simple hydrocarbon?

How many hydrogen atoms are present in the formula, (NH4)3PO4?

Write the formula for the hydrated compound that has the atoms and, or groups in the order given: 1 K, 1 Al, two groups of 1 S and 4 O, and twelve groups made up of 2 H and 1 O. Hint: The groups of atoms are clusters such as polyatomic ions or water.

Metalloids tend to be malleable and ductile in nature.

List how many oxygen atoms are present in one formula unit of CoSO4·6H2O.

Which is a correct name for the compound CoF3?

If the NtO42 ion is called nortonate, what is the correct name for the compound K2NtO4?

Write the most likely formula for the ionic compound formed from magnesium and phosphorus.

What is the correct formula for sodium sulfide?

As a general rule, molecular compounds are formed when nonmetallic elements combine.

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 name for As₄S₁₀ is ________.

List how many oxygen atoms are present in one molecule of H₃PO₄

What is the name of the following compound: (NH₄)₂SO₄?

What is the name for Cu₂SO₃?

How many hydrogen atoms appear on the reactant side of the equation, 4NH₃ + 3O₂ ? 2N₂ + 6H₂O?

What is the formula of the compound formed from Cr³⁺ and H₂PO₄^-?

How many hydrogen atoms are present in the formula, (NH₄)₃PO₄?

Write the formula for the hydrated compound that has the atoms and, or groups in the order given: 1 K, 1 Al, two groups of 1 S and 4 O_,and twelve groups made up of 2 H and 1 O. Hint: The groups of atoms are clusters such as polyatomic ions or water.

List how many oxygen atoms are present in one formula unit of CoSO₄·6H₂O.

Which is a correct name for the compound CoF₃?

If the NtO₄² ion is called nortonate, what is the correct name for the compound K₂NtO₄?