Question 1

___________,___________,and ___________ are the three isotopes of hydrogen.

Accepted Answer

Hydrogen (or protium); deuterium;tritium

Question 2

Which of the following elements is essential to life because it is a component of proteins and nucleic acids?

Accepted Answer

A) Phosphorus 
B) Sulfur 
C) Chlorine 
D) Bromine 
E) Nitrogen 
A) Phosphorus 
B) Sulfur 
C) Chlorine 
D) Bromine 
E) Nitrogen E

Question 3

What are the isotopes of hydrogen?

Accepted Answer

Hydrogen (protium),deuterium,and tritium

Question 4

Which of the following is an accurate comparison of the properties of nitrogen and oxygen?

Accepted Answer

A) Both oxygen and nitrogen form anions easily. 
B) Oxygen is a strong oxidizing agent while nitrogen is a strong reducing agent. 
C) Nitrogen uses more oxidation states in its compounds than oxygen does. 
D) Nitrogen is more reactive than oxygen. 
E) Nitrogen does not form naturally occurring compounds,but oxygen does. 
A) Both oxygen and nitrogen form anions easily. 
B) Oxygen is a strong oxidizing agent while nitrogen is a strong reducing agent. 
C) Nitrogen uses more oxidation states in its compounds than oxygen does. 
D) Nitrogen is more reactive than oxygen. 
E) Nitrogen does not form naturally occurring compounds,but oxygen does.

Question 5

What is formed when molecular hydrogen combines with any alkali metal?

Accepted Answer

The answer of What is formed when molecular hydrogen combines...

Question 6

The term catenation describes the

Accepted Answer

A) tendency of carbon atoms to form cations in the presence of alkali metals. 
B) process of creating synthetic gas from coal. 
C) extraction of precious metals with sodium or potassium cyanide. 
D) ability of carbon atoms to form long chains and rings. 
E) interaction of Group 4A elements with Group 8A elements at high pressures and temperatures to form coordination compounds. 
A) tendency of carbon atoms to form cations in the presence of alkali metals. 
B) process of creating synthetic gas from coal. 
C) extraction of precious metals with sodium or potassium cyanide. 
D) ability of carbon atoms to form long chains and rings. 
E) interaction of Group 4A elements with Group 8A elements at high pressures and temperatures to form coordination compounds.

Question 7

Which of these elements is a solid at room temperature?

Accepted Answer

A) Hydrogen 
B) Nitrogen 
C) Bromine 
D) Sulfur 
E) Chlorine 
A) Hydrogen 
B) Nitrogen 
C) Bromine 
D) Sulfur 
E) Chlorine

Question 8

Which of the following is a metalloid?

Accepted Answer

A) Al 
B) Sn 
C) As 
D) Se 
E) Bi 
A) Al 
B) Sn 
C) As 
D) Se 
E) Bi

Question 9

What products are formed from the reaction of Cl2(g)with I-(aq)?

Accepted Answer

A) ICl 
B) ICl2 
C) ICl3 
D) I2 and Cl- 
E) I and Cl2- 
A) ICl 
B) ICl2 
C) ICl3 
D) I2 and Cl- 
E) I and Cl2-

Question 10

One important feature of the chemistry of carbon is

Accepted Answer

A) its large radius that allows other atoms to fit easily around it. 
B) its low electronegativity that allows it to ionize easily. 
C) its amphoteric behavior. 
D) its ability to form multiple bonds with hydrogen. 
E) its ability to catenate. 
A) its large radius that allows other atoms to fit easily around it. 
B) its low electronegativity that allows it to ionize easily. 
C) its amphoteric behavior. 
D) its ability to form multiple bonds with hydrogen. 
E) its ability to catenate.

Question 11

Carbon combines with metals to form which of the following ionic compounds?

Accepted Answer

A) Organo metal complex ions 
B) Carbides 
C) Carbonates 
D) Oxides 
E) Carbon cannot bond to metals. 
A) Organo metal complex ions 
B) Carbides 
C) Carbonates 
D) Oxides 
E) Carbon cannot bond to metals.

Question 12

How many resonance structures does the sulfur dioxide molecule have?

Accepted Answer

A) 0 
B) 3 
C) 1 
D) 2 
E) 4 
A) 0 
B) 3 
C) 1 
D) 2 
E) 4

Question 13

Which is true concerning the difference between second-row and third-row main group nonmetals?

Accepted Answer

A) Third-row nonmetals react readily with acids,while second-row nonmetals are mostly unreactive towards acids. 
B) Third-row hydrides tend to be more acidic than second-row hydrides. 
C) Third-row oxides tend to be less basic than second-row oxides. 
D) In their elemental forms,third-row nonmetals are comprised of molecules,while second-row nonmetals are comprised of individual atoms. 
E) Atoms of third-row nonmetals may have high oxidation numbers,while atoms of second-row nonmetals may only have negative oxidation numbers. 
A) Third-row nonmetals react readily with acids,while second-row nonmetals are mostly unreactive towards acids. 
B) Third-row hydrides tend to be more acidic than second-row hydrides. 
C) Third-row oxides tend to be less basic than second-row oxides. 
D) In their elemental forms,third-row nonmetals are comprised of molecules,while second-row nonmetals are comprised of individual atoms. 
E) Atoms of third-row nonmetals may have high oxidation numbers,while atoms of second-row nonmetals may only have negative oxidation numbers.

Question 14

Chlorine gas is prepared commercially by the

Accepted Answer

A) electrolysis of carbon tetrachloride. 
B) oxidation of chloride ion with F2(g). 
C) electrolysis of NaCl(aq). 
D) oxidation of chloride ion with Br2(aq). 
E) electrolysis of AlCl3(aq). 
A) electrolysis of carbon tetrachloride. 
B) oxidation of chloride ion with F2(g). 
C) electrolysis of NaCl(aq). 
D) oxidation of chloride ion with Br2(aq). 
E) electrolysis of AlCl3(aq).

Question 15

Which of the following is the strongest acid?

Accepted Answer

A) HClO3 
B) HBrO3 
C) HIO3 
D) HIO2 
E) HClO 
A) HClO3 
B) HBrO3 
C) HIO3 
D) HIO2 
E) HClO

Question 16

Of the three oxides SiO2,MgO,and P4O10,the most acidic oxide is P4O10.

Accepted Answer

A) True 
 B)False

Question 17

Which of these compounds is most likely to be covalent?

Accepted Answer

A) CaO 
B) CsOH 
C) LiF 
D) Sr(NO3)2 
E) NF3 
A) CaO 
B) CsOH 
C) LiF 
D) Sr(NO3)2 
E) NF3

Question 18

What is the total number of lone pairs in NCl3?

Accepted Answer

A) 8 
B) 13 
C) 6 
D) 10 
E) 9 
A) 8 
B) 13 
C) 6 
D) 10 
E) 9

Question 19

Which of these hydrides is the most ionic?

Accepted Answer

A) LiH 
B) NaH 
C) CH4 
D) NH3 
E) RbH 
A) LiH 
B) NaH 
C) CH4 
D) NH3 
E) RbH

Question 20

Which of these substances will have a Lewis structure with an incomplete octet?

Accepted Answer

A) SO2 
B) CO 
C) NO 
D) Br2 
E) CO2 
A) SO2 
B) CO 
C) NO 
D) Br2 
E) CO2

Exam 24: Nonmetallic Elements and Their Compounds

___________,___________,and ___________ are the three isotopes of hydrogen.

Which of the following elements is essential to life because it is a component of proteins and nucleic acids?

What are the isotopes of hydrogen?

Which of the following is an accurate comparison of the properties of nitrogen and oxygen?

What is formed when molecular hydrogen combines with any alkali metal?

The term catenation describes the

Which of these elements is a solid at room temperature?

Which of the following is a metalloid?

What products are formed from the reaction of Cl2(g)with I-(aq)?

One important feature of the chemistry of carbon is

Carbon combines with metals to form which of the following ionic compounds?

How many resonance structures does the sulfur dioxide molecule have?

Which is true concerning the difference between second-row and third-row main group nonmetals?

Chlorine gas is prepared commercially by the

Which of the following is the strongest acid?

Of the three oxides SiO2,MgO,and P4O10,the most acidic oxide is P4O10.

Which of these compounds is most likely to be covalent?

What is the total number of lone pairs in NCl3?

Which of these hydrides is the most ionic?

Which of these substances will have a Lewis structure with an incomplete octet?

Chemistry: the Central Science

Atoms Molecules and Ions

Stoichiometry Ratios of Combination

Reactions in Aqueous Solutions

Thermochemistry

Quantum Theory and the Electronic Structure of Atoms

Electron Configuration and the Periodic Table

Chemical Bonding I Basic Concepts

Chemical Bonding Ii Molecular Geometry and Bonding Theories

Gases

Intermolecular Forces and the Physical Properties of Liquids and Solids

Modern Materials

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Entropy Free Energy and Equilibrium

Electrochemistry

Nuclear Chemistry

Environmental Chemistry

Coordination Chemistry

Metallurgy and the Chemistry of Metals

Organic Chemistry

Filters

_____,_,and _______ are the three isotopes of hydrogen.

What products are formed from the reaction of Cl₂(g)with I^-(aq)?

Of the three oxides SiO₂,MgO,and P₄O₁₀,the most acidic oxide is P₄O₁₀.

What is the total number of lone pairs in NCl₃?