Question 1

Dalton's law of multiple proportions can be applied to __________

Accepted Answer

A)  H2O and CO2. 
B)  CO and NO. 
C)  PF3 and PF5. 
D)  SO2 and CO. 
E)  O2 and O3. 
A)  H2O and CO2. 
B)  CO and NO. 
C)  PF3 and PF5. 
D)  SO2 and CO. 
E)  O2 and O3.

Question 2

Two neutrons were walking down the street. One said, "Wait a minute…I think I lost a __________!" The other one asked, "Are you sure?" The first replied, "Yes, I'm positive!"

Accepted Answer

A)  positron 
B)  "F1F1F1S1F1F1F10" particle 
C)  "F1F1F1S1F1F1F10" ray 
D)  neutrino 
A)  positron 
B)  "F1F1F1S1F1F1F10" particle 
C)  "F1F1F1S1F1F1F10" ray 
D)  neutrino

Question 3

Based on its position in the periodic table, which atom would you predict to form a compound with two bromine atoms?

Accepted Answer

A)  sodium 
B)  aluminum 
C)  lithium 
D)  calcium 
E)  carbon 
A)  sodium 
B)  aluminum 
C)  lithium 
D)  calcium 
E)  carbon

Question 4

What is the correct symbol for a proton?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 5

What is the formula for sodium bromide?

Accepted Answer

A)  SBr 
B)  NaBr 
C)  Na2Br 
D)  NaBrO 
E)  NaBr2 
A)  SBr 
B)  NaBr 
C)  Na2Br 
D)  NaBrO 
E)  NaBr2

Question 6

Sodium is best described as a __________

Accepted Answer

A)  metalloid. 
B)  metal. 
C)  transition metal. 
D)  noble gas. 
E)  nonmetal. 
A)  metalloid. 
B)  metal. 
C)  transition metal. 
D)  noble gas. 
E)  nonmetal.

Question 7

TiO2 is a white oxide used in paints. What is the proper name for TiO2?

Accepted Answer

A)  titanium oxide 
B)  titanium(IV) oxide 
C)  titanic acid 
D)  titanium oxoate 
E)  titanium dioxide 
A)  titanium oxide 
B)  titanium(IV) oxide 
C)  titanic acid 
D)  titanium oxoate 
E)  titanium dioxide

Question 8

A high-energy particle with a negative charge is called a __________ particle?

Accepted Answer

A)  "F1F1F1S1F1F1F10" 
B)  "F1F1F1S1F1F1F10" 
C)  "F1F1F1S1F1F1F10" 
D)  neutron 
E)  positron 
A)  "F1F1F1S1F1F1F10" 
B)  "F1F1F1S1F1F1F10" 
C)  "F1F1F1S1F1F1F10" 
D)  neutron 
E)  positron

Question 9

What distinguishes one isotope from another?

Accepted Answer

Isotopes have the sa

Question 10

Give an example of a nonmetal.

Accepted Answer

Sulfur; an

Question 11

The Murrah Federal Building in Oklahoma City was destroyed on April 19, 1995, killing 168 people by a simple, but powerful, bomb made from 4800 lb of ammonium nitrate. What is the formula for ammonium nitrate?

Accepted Answer

A)  Am(NO3)2 
B)  Am(NO3) 
C)  NH4NO3 
D)  NH4(NO3)2 
E)  (NH4)2NO3 
A)  Am(NO3)2 
B)  Am(NO3) 
C)  NH4NO3 
D)  NH4(NO3)2 
E)  (NH4)2NO3

Question 12

What is the proper name for Co(ClO4)3?

Accepted Answer

A)  cobalt trichlorate 
B)  cobalt chlorate 
C)  cobaltous chlorate 
D)  cobalt(III) perchlorate 
E)  cobalt(III) chlorate 
A)  cobalt trichlorate 
B)  cobalt chlorate 
C)  cobaltous chlorate 
D)  cobalt(III) perchlorate 
E)  cobalt(III) chlorate

Question 13

In one sentence, describe the picture of the atom that emerged from the Rutherford-Geiger-Marsden experiment with alpha particles.

Accepted Answer

The atom was pictured as consi

Question 14

The sixth period of the periodic table contains __________ elements.

Accepted Answer

A)  18 
B)  32 
C)  24 
D)  16 
E)  8 
A)  18 
B)  32 
C)  24 
D)  16 
E)  8

Question 15

Active metals often form a protective oxide surface film that prevents further reaction of the metal with oxygen in the air. Which one of the following formulas for the metal oxide is not correct?

Accepted Answer

A)  Al2O3 is aluminum(III) oxide. 
B)  Fe2O3 is iron(III) oxide. 
C)  Na2O is sodium oxide. 
D)  MgO2 is magnesium oxide. 
E)  FeO is iron(II) oxide. 
A)  Al2O3 is aluminum(III) oxide. 
B)  Fe2O3 is iron(III) oxide. 
C)  Na2O is sodium oxide. 
D)  MgO2 is magnesium oxide. 
E)  FeO is iron(II) oxide.

Question 16

Radium often is found in uranium ores and can be separated from solutions by precipitation as radium sulfate. What is the formula for radium sulfate?

Accepted Answer

A)  RnSO4 
B)  RaSO4 
C)  Rn2SO3 
D)  Ra2SO4 
E)  Ra(SO4)2 
A)  RnSO4 
B)  RaSO4 
C)  Rn2SO3 
D)  Ra2SO4 
E)  Ra(SO4)2

Question 17

When 10.0 g of sulfur is combined with 10.0 g of oxygen, 20.0 g of sulfur dioxide is formed. What mass of oxygen would be required to convert 10.0 g of sulfur into sulfur trioxide?

Accepted Answer

A)  5.0 g 
B)  10 g 
C)  15 g 
D)  30 g 
E)  20 g 
A)  5.0 g 
B)  10 g 
C)  15 g 
D)  30 g 
E)  20 g

Question 18

What is the chemical formula for hexasulfur monoxide?

Accepted Answer

The answer of What is the chemical formula for hexasulfur...

Question 19

Silicon is best described as a __________

Accepted Answer

A)  metalloid. 
B)  metal. 
C)  transition metal. 
D)  noble gas. 
E)  nonmetal. 
A)  metalloid. 
B)  metal. 
C)  transition metal. 
D)  noble gas. 
E)  nonmetal.

Question 20

Who was the first scientist to determine the charge of an electron?

Accepted Answer

A)  Robert Boyle 
B)  Robert Millikan 
C)  Joseph John Thomson 
D)  John Dalton 
E)  Albert Einstein 
A)  Robert Boyle 
B)  Robert Millikan 
C)  Joseph John Thomson 
D)  John Dalton 
E)  Albert Einstein

Exam 2: Atoms, Ions, and Compounds

Dalton's law of multiple proportions can be applied to __________

Two neutrons were walking down the street. One said, "Wait a minute…I think I lost a __________!" The other one asked, "Are you sure?" The first replied, "Yes, I'm positive!"

Based on its position in the periodic table, which atom would you predict to form a compound with two bromine atoms?

What is the correct symbol for a proton?

What is the formula for sodium bromide?

Sodium is best described as a __________

TiO2 is a white oxide used in paints. What is the proper name for TiO2?

A high-energy particle with a negative charge is called a __________ particle?

What distinguishes one isotope from another?

Give an example of a nonmetal.

The Murrah Federal Building in Oklahoma City was destroyed on April 19, 1995, killing 168 people by a simple, but powerful, bomb made from 4800 lb of ammonium nitrate. What is the formula for ammonium nitrate?

What is the proper name for Co(ClO4)3?

In one sentence, describe the picture of the atom that emerged from the Rutherford-Geiger-Marsden experiment with alpha particles.

The sixth period of the periodic table contains __________ elements.

Active metals often form a protective oxide surface film that prevents further reaction of the metal with oxygen in the air. Which one of the following formulas for the metal oxide is not correct?

Radium often is found in uranium ores and can be separated from solutions by precipitation as radium sulfate. What is the formula for radium sulfate?

When 10.0 g of sulfur is combined with 10.0 g of oxygen, 20.0 g of sulfur dioxide is formed. What mass of oxygen would be required to convert 10.0 g of sulfur into sulfur trioxide?

What is the chemical formula for hexasulfur monoxide?

Silicon is best described as a __________

Who was the first scientist to determine the charge of an electron?

Matter, Energy, and the Origins of the Universe

Chemical Reactions and Earths Composition

Solution Chemistry and the Hydrosphere

Thermochemistry

Properties of Gases: the Air We Breathe

Electrons in Atoms and Periodic Properties

Chemical Bonding and Climate Change

Molecular Geometry and Bonding Theories

Forces Between Ions and Molecules

Solutions and Their Colligative Properties

The Chemistry of Solids

Organic Chemistry: Fuels, Pharmaceuticals, and Materials

Thermodynamics: Spontaneous Processes, Entropy, and Free Energy

Chemical Kinetics

Chemical Equilibrium

Equilibrium in the Aqueous Phase

The Colorful Chemistry of Metals

Electrochemistry and the Quest for Clean Energy

Biochemistry: the Compounds of Life

Nuclear Chemistry

Life and the Periodic Table

Filters

TiO₂ is a white oxide used in paints. What is the proper name for TiO₂?

What is the proper name for Co(ClO₄)₃?