Question 1

The type of bond that exists between two fluorine atoms in a molecule of diatomic fluorine is

Accepted Answer

A) a covalent bond. 
B) a diatomic bond. 
C) an ionic bond. 
D) a dispersion bond. 
A) a covalent bond. 
B) a diatomic bond. 
C) an ionic bond. 
D) a dispersion bond. A

Question 2

Another name for an ionic compound is

Accepted Answer

A) a diatomic compound. 
B) a polyatomic ion. 
C) a salt. 
D) a nonmetal. 
E) none of these. 
A) a diatomic compound. 
B) a polyatomic ion. 
C) a salt. 
D) a nonmetal. 
E) none of these. C

Question 3

How many electrons can the fourth energy level hold, maximum?

Accepted Answer

A) 2 
B) 8 
C) 10 
D) 18 
E) 32 
A) 2 
B) 8 
C) 10 
D) 18 
E) 32 E

Question 4

Choose the element whose valence electrons would be hardest to remove in a chemical reaction.

Accepted Answer

A) Na 
B) K 
C) Rb 
D) Cs 
A) Na 
B) K 
C) Rb 
D) Cs

Question 5

A certain atom has 10 core electrons and 5 valence electrons.Identify the element.

Accepted Answer

A) O 
B) N 
C) S 
D) P 
A) O 
B) N 
C) S 
D) P

Question 6

Choose the false statement.

Accepted Answer

A) The formula for a salt tells exactly how many ions of each element a salt contains. 
B) The formula for a salt indicates the ratio of one element to another, in small whole numbers. 
C) Salts exist in a crystal lattice structure. 
D) Salts contain ionic bonds. 
A) The formula for a salt tells exactly how many ions of each element a salt contains. 
B) The formula for a salt indicates the ratio of one element to another, in small whole numbers. 
C) Salts exist in a crystal lattice structure. 
D) Salts contain ionic bonds.

Question 7

Write the formula for the salt that forms from the following pair of elements: potassium (K)and nitrogen (N).

Accepted Answer

A) KN 
B) KN3 
C) K2N 
D) K3N 
A) KN 
B) KN3 
C) K2N 
D) K3N

Question 8

How many electrons does each atom in the O2 molecule have once bonds form between the two individual oxygen atoms?

Accepted Answer

A) 6 
B) 12 
C) 8 
D) 32 
A) 6 
B) 12 
C) 8 
D) 32

Question 9

In which of the following bonds are electrons NOT shared?

Accepted Answer

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

Question 10

Which of the following ions would be unlikely to exist, based on the octet rule?

Accepted Answer

A) S3- 
B) Mg2+ 
C) Ca2+ 
D) Na1+ 
E) F- 
A) S3- 
B) Mg2+ 
C) Ca2+ 
D) Na1+ 
E) F-

Question 11

Which pair of elements would form the least polar bond?

Accepted Answer

A) Cl and Br 
B) N and S 
C) Ca and F 
D) H and H 
A) Cl and Br 
B) N and S 
C) Ca and F 
D) H and H

Question 12

In order to kill bacteria and fungi, clothing is often embedded with

Accepted Answer

A) finely ground, combusted charcoal 
B) silver nanoparticles 
C) buckyballs 
D) neoprene 
A) finely ground, combusted charcoal 
B) silver nanoparticles 
C) buckyballs 
D) neoprene

Question 13

In order for the silver particles that are embedded in clothing to work, they must be "activated." What is necessary to do this?

Accepted Answer

A) heat 
B) acid 
C) air 
D) lemon juice 
A) heat 
B) acid 
C) air 
D) lemon juice

Question 14

Choose the element whose valence electrons would be easiest to remove in a chemical reaction.

Accepted Answer

A) O 
B) Se 
C) S 
D) Te 
A) O 
B) Se 
C) S 
D) Te

Question 15

Some think that clothing embedded with silver is unsafe because

Accepted Answer

A) silver is a heavy metal that can be toxic after long periods of exposure. 
B) silver from the clothing can make its way to natural waters where it can cause mutations in fish. 
C) silver can become volatile when released into the air.This type of silver has many effects on human health. 
D) the clothing breaks down easily and can release mutated bacteria and fungi into the environment. 
A) silver is a heavy metal that can be toxic after long periods of exposure. 
B) silver from the clothing can make its way to natural waters where it can cause mutations in fish. 
C) silver can become volatile when released into the air.This type of silver has many effects on human health. 
D) the clothing breaks down easily and can release mutated bacteria and fungi into the environment.

Question 16

If a bond between two atoms involves an equal sharing of electrons between the two atoms, the bond is said to be

Accepted Answer

A) even. 
B) ionic. 
C) metallic. 
D) nonpolar. 
A) even. 
B) ionic. 
C) metallic. 
D) nonpolar.

Question 17

The distribution of __________ in an atom determines the stability of that atom.

Accepted Answer

A) protons 
B) physical properties 
C) neutrons 
D) electrons 
A) protons 
B) physical properties 
C) neutrons 
D) electrons

Question 18

The sharing of two electrons between a pair of atoms is referred to as

Accepted Answer

A) the octet rule. 
B) a covalent bond. 
C) an ionic bond. 
D) a crystal lattice. 
E) a nanoparticle. 
A) the octet rule. 
B) a covalent bond. 
C) an ionic bond. 
D) a crystal lattice. 
E) a nanoparticle.

Question 19

How many core electrons and how many valence electrons do atoms of Se possess?

Accepted Answer

A) 18 core and 16 valence 
B) 28 core and 6 valence 
C) 26 core and 8 valence 
D) 79 core and 34 valence 
A) 18 core and 16 valence 
B) 28 core and 6 valence 
C) 26 core and 8 valence 
D) 79 core and 34 valence

Question 20

Which is an example of a diatomic molecule?

Accepted Answer

A) H2O 
B) N2 
C) He 
D) CO2 
A) H2O 
B) N2 
C) He 
D) CO2

The type of bond that exists between two fluorine atoms in a molecule of diatomic fluorine is

Another name for an ionic compound is

How many electrons can the fourth energy level hold, maximum?

Choose the element whose valence electrons would be hardest to remove in a chemical reaction.

A certain atom has 10 core electrons and 5 valence electrons.Identify the element.

Choose the false statement.

Write the formula for the salt that forms from the following pair of elements: potassium (K)and nitrogen (N).

How many electrons does each atom in the O₂ molecule have once bonds form between the two individual oxygen atoms?

In which of the following bonds are electrons NOT shared?

Which of the following ions would be unlikely to exist, based on the octet rule?

Which pair of elements would form the least polar bond?

In order to kill bacteria and fungi, clothing is often embedded with

In order for the silver particles that are embedded in clothing to work, they must be "activated." What is necessary to do this?

Choose the element whose valence electrons would be easiest to remove in a chemical reaction.

Some think that clothing embedded with silver is unsafe because

If a bond between two atoms involves an equal sharing of electrons between the two atoms, the bond is said to be

The distribution of __________ in an atom determines the stability of that atom.

The sharing of two electrons between a pair of atoms is referred to as

How many core electrons and how many valence electrons do atoms of Se possess?

Which is an example of a diatomic molecule?

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

The type of bond that exists between two fluorine atoms in a molecule of diatomic fluorine is

Another name for an ionic compound is

How many electrons can the fourth energy level hold, maximum?

Choose the element whose valence electrons would be hardest to remove in a chemical reaction.

A certain atom has 10 core electrons and 5 valence electrons.Identify the element.

Choose the false statement.

Write the formula for the salt that forms from the following pair of elements: potassium (K)and nitrogen (N).

How many electrons does each atom in the O2 molecule have once bonds form between the two individual oxygen atoms?

In which of the following bonds are electrons NOT shared?

Which of the following ions would be unlikely to exist, based on the octet rule?

Which pair of elements would form the least polar bond?

In order to kill bacteria and fungi, clothing is often embedded with

In order for the silver particles that are embedded in clothing to work, they must be "activated." What is necessary to do this?

Choose the element whose valence electrons would be easiest to remove in a chemical reaction.

Some think that clothing embedded with silver is unsafe because

If a bond between two atoms involves an equal sharing of electrons between the two atoms, the bond is said to be

The distribution of __________ in an atom determines the stability of that atom.

The sharing of two electrons between a pair of atoms is referred to as

How many core electrons and how many valence electrons do atoms of Se possess?

Which is an example of a diatomic molecule?

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

Filters

How many electrons does each atom in the O₂ molecule have once bonds form between the two individual oxygen atoms?