Question 1

Which of the following elements is a noble gas?

Accepted Answer

A) Br2 
B) O2 
C) Xe 
D) I2 
E) H2 
A) Br2 
B) O2 
C) Xe 
D) I2 
E) H2

Question 2

A "sea of electrons" normally exists in

Accepted Answer

A) noble gases. 
B) metals. 
C) nonpolar covalent molecules. 
D) ionic salts. 
A) noble gases. 
B) metals. 
C) nonpolar covalent molecules. 
D) ionic salts.

Question 3

Choose the false statement.

Accepted Answer

A) When determining the number of valence electrons in an element in Period 4 or below, we include the transition elements. 
B) The noble gases are the most stable family on the periodic table 
C) The first energy level contains two electrons 
D) As you go from left to right across the periodic table, each element has one more proton and one more electron than the element before it. 
A) When determining the number of valence electrons in an element in Period 4 or below, we include the transition elements. 
B) The noble gases are the most stable family on the periodic table 
C) The first energy level contains two electrons 
D) As you go from left to right across the periodic table, each element has one more proton and one more electron than the element before it.

Question 4

An atom of chlorine will ____________ to achieve a noble gas configuration and become an ion.

Accepted Answer

A) lose 7 electrons 
B) gain one electron 
C) lose 5 electrons 
D) gain 5 electrons 
A) lose 7 electrons 
B) gain one electron 
C) lose 5 electrons 
D) gain 5 electrons

Question 5

An atom of phosphorus would be most likely gain or lose electrons to become a________ ion.

Accepted Answer

A) P5- 
B) P3- 
C) P3+ 
D) P4- 
A) P5- 
B) P3- 
C) P3+ 
D) P4-

Question 6

Which family of elements doesn't react easily with other elements?

Accepted Answer

A) the halogens 
B) the noble gases 
C) the alkali metals 
D) the alkali earth metals 
E) the transition metals 
A) the halogens 
B) the noble gases 
C) the alkali metals 
D) the alkali earth metals 
E) the transition metals

Question 7

The bond that forms between which of the pairs listed would be ionic?

Accepted Answer

A) N and F 
B) Na and N 
C) Br and Br 
D) O and C 
A) N and F 
B) Na and N 
C) Br and Br 
D) O and C

Question 8

Which of the following pairs of atoms would be most likely to form a bond that is a polar covalent bond?

Accepted Answer

A) H and H 
B) Ca and Cl 
C) N and O 
D) Li and Br 
E) F and F 
A) H and H 
B) Ca and Cl 
C) N and O 
D) Li and Br 
E) F and F

Question 9

The outermost electrons of an atom, the ones that participate in chemical reactions, are called _______ electrons.

Accepted Answer

A) core 
B) valence 
C) stable 
D) reactive 
E) shell 
A) core 
B) valence 
C) stable 
D) reactive 
E) shell

Question 10

Choose the true statement.

Accepted Answer

A) The core electrons in an atom are the ones that participate in chemical reactions. 
B) The valence electrons in an atom are more reactive than the core electrons. 
C) Each energy level holds 8 electrons. 
D) The least stable family is the family of noble gases. 
A) The core electrons in an atom are the ones that participate in chemical reactions. 
B) The valence electrons in an atom are more reactive than the core electrons. 
C) Each energy level holds 8 electrons. 
D) The least stable family is the family of noble gases.

Question 11

A bond between calcium and iodine would be

Accepted Answer

A) nonpolar covalent. 
B) polar covalent. 
C) metallic. 
D) ionic. 
A) nonpolar covalent. 
B) polar covalent. 
C) metallic. 
D) ionic.

Which of the following elements is a noble gas?

A "sea of electrons" normally exists in

Choose the false statement.

An atom of chlorine will ____________ to achieve a noble gas configuration and become an ion.

An atom of phosphorus would be most likely gain or lose electrons to become a________ ion.

Which family of elements doesn't react easily with other elements?

The bond that forms between which of the pairs listed would be ionic?

Which of the following pairs of atoms would be most likely to form a bond that is a polar covalent bond?

The outermost electrons of an atom, the ones that participate in chemical reactions, are called _______ electrons.

Choose the true statement.

A bond between calcium and iodine would be

The Story of Chemistry the Scientific Method Think, Measure, Rethink

Atoms All About Atoms and Whats Inside Them

Everything the Ways We Organize and Classify Matter

Carbon Elemental Carbon, Organic Molecules, and Carbon Footprints

Air a Study of the Gases in Our Atmosphere

Chemical Reactions How We Keep Track of Chemical Changes

Water Why Water Is Critical for Human Beings and the Planet

Salts and Aqueous Solutions the Nature of Salts and How They Interact With Water

Ph and Acid Rain Acid Rain and Our Environment

Nukes the Fundamentals of Nuclear Chemistry

Energy, Power, and Climate Change the Fundamentals of Nuclear Chemistry

Sustainability and Recycling Finding Better Ways to Use and Reuse Our Resources

Food the Biochemistry of the Foods We Eat

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Exam 4: Bonds an Introduction to the Forces Within Substances

Which of the following elements is a noble gas?

A "sea of electrons" normally exists in

Choose the false statement.

An atom of chlorine will ____________ to achieve a noble gas configuration and become an ion.

An atom of phosphorus would be most likely gain or lose electrons to become a________ ion.

Which family of elements doesn't react easily with other elements?

The bond that forms between which of the pairs listed would be ionic?

Which of the following pairs of atoms would be most likely to form a bond that is a polar covalent bond?

The outermost electrons of an atom, the ones that participate in chemical reactions, are called _______ electrons.

Choose the true statement.

A bond between calcium and iodine would be

The Story of Chemistry the Scientific Method Think, Measure, Rethink

Atoms All About Atoms and Whats Inside Them

Everything the Ways We Organize and Classify Matter

Carbon Elemental Carbon, Organic Molecules, and Carbon Footprints

Air a Study of the Gases in Our Atmosphere

Chemical Reactions How We Keep Track of Chemical Changes

Water Why Water Is Critical for Human Beings and the Planet

Salts and Aqueous Solutions the Nature of Salts and How They Interact With Water

Ph and Acid Rain Acid Rain and Our Environment

Nukes the Fundamentals of Nuclear Chemistry

Energy, Power, and Climate Change the Fundamentals of Nuclear Chemistry

Sustainability and Recycling Finding Better Ways to Use and Reuse Our Resources

Food the Biochemistry of the Foods We Eat

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