Question 1

Anything that occupies space and has mass is energy.

Accepted Answer

A) True 
 B)False

Question 2

All the atoms of the same element will have the same:

Accepted Answer

A)  number of protons.
B)  number of neutrons.
C)  number of protons and neutrons.
D)  mass.E) None of the above
F) B) and C)

Question 3

In what ways are hydrogen bonds and ionic bonds similar?

Accepted Answer

A)  Both are based on attraction between atoms that carry differences in electrical charge.
B)  Both involve an even sharing of electrons between atoms.
C)  Both are based on attraction between two atoms where each carries a positive charge.
D)  Both are based on repulsion between atoms that carry differences in electrical charge.
E)  Both are based on attraction between two atoms where each carries a negative charge.F) C) and D)
G) C) and E)

Question 4

Oxygen has six electrons in its second outer shell,and hydrogen has one.With how many hydrogen atoms will oxygen form covalent bonds?

Accepted Answer

A)  eight
B)  one
C)  two
D)  six
E)  threeF) A) and C)
G) A) and B)

Question 5

The high specific heat and surface tension of water are a result of:

Accepted Answer

A)  ionic bonds.
B)  covalent bonds within the water molecules.
C)  the size of water molecules.
D)  hydrogen bonding between water molecules.
E)  covalent bonds between water molecules.F) None of the above
G) C) and E)

Question 6

You have a substance and begin a set of experiments in which you break it down into other substances through chemical reactions.After a few successive reactions,you discover a set of products that can't be broken down further,no matter what type of chemical reaction you attempt.These substances are:

Accepted Answer

A)  protons.
B)  elements.
C)  neutrons.
D)  electrons.
E)  isotopes.F) None of the above
G) A) and B)

Question 7

A signal molecule will ________ to a receptor if the molecules' shapes match,similar to a key in a lock.

Accepted Answer

The answer of A signal molecule will ________ to a...

Question 8

An atom will react with other atoms only until:

Accepted Answer

A)  it has completely filled its outermost energy level.
B)  it has less stability.
C)  all of its inner orbitals have been filled.
D)  it forms four covalent bondsE) A) and B)
F) C) and D)

Question 9

Chlorine has an atomic number of 17,and argon has an atomic number of 18.From this information alone,you can predict that:

Accepted Answer

A)  argon has more neutrons than chlorine.
B)  argon is more chemically reactive than chlorine.
C)  argon will more readily ionize than chlorine.
D)  chlorine is more chemically reactive than argon.
E)  chlorine has more neutrons than argon.F) A) and E)
G) A) and D)

Question 10

Atoms are electrically neutral.

Accepted Answer

A) True 
 B)False  True

Question 11

It takes more energy to raise the temperature of water than of alcohol because water has a higher ________.

Accepted Answer

The answer of It takes more energy to raise the...

Question 12

What is the difference between an ionic and covalent bond?

Accepted Answer

A)  In an ionic bond, one atom accepts electrons from the other; in a covalent bond, a pair of atoms share electrons.
B)  In an ionic bond, one atom has more electronegativity than the other; in a covalent bond, the atoms have the same electronegativity.
C)  Ionic bonding involves the inner electron shells; covalent bonding involves the valence electron shell.
D)  Ionic bonds form between atoms of different elements; covalent bonds form between atoms of the same element.E) A) and C)
F) A) and B)

Question 13

In a bottle of water,hydrogen bonding occurs between the hydrogen of one atom and a/an:

Accepted Answer

A)  hydrogen atom in the same molecule.
B)  oxygen atom in a different molecule.
C)  oxygen atom in the same water molecule.
D)  hydrogen atom in a different molecule.E) B) and C)
F) C) and D)

Question 14

What is chemical bonding? Explain the differences between covalent and ionic bonding.

Accepted Answer

Atoms react if they need electrons to co...

Question 15

You have been having trouble with acid indigestion recently.You buy some milk of magnesia,an antacid,from the drug store to relieve your indigestion.Milk of magnesia is a mixture of magnesium hydroxide in water.What makes milk of magnesia a good antacid? If you could chemically analyze your stomach fluids,what would you find before and after taking the antacid?

Accepted Answer

Magnesium hydroxide provides h...

Question 16

Which of the following is true of chemical bonds?

Accepted Answer

A)  Atoms can achieve a higher energy state and less stability by forming bonds.
B)  Electrons are always shared.
C)  Electrons can be shared or completely transferred.
D)  Chemical bonds cannot occur between two identical atoms.E) A) and B)
F) A) and C)

Question 17

An atom becomes an ion when:

Accepted Answer

A)  it gains or loses neutrons.
B)  it forms a covalent bond.
C)  it gains or loses electrons.
D)  hydrogen ions are shared.
E)  it gains or loses protons.F) A) and B)
G) B) and C) C

Question 18

An element with 22 protons,22 neutrons,and 22 electrons would have an atomic number of:

Accepted Answer

A)  44.
B)  22.
C)  66.
D)  11.E) A) and B)
F) B) and C)

Question 19

Chemical reactions involve only the outermost electrons of an atom.

Accepted Answer

A) True 
 B)False

Question 20

In hydrogen bonding,hydrogen nearly always pairs with:

Accepted Answer

A)  another hydrogen.
B)  carbon.
C)  oxygen or nitrogen.
D)  sodium or chlorine.E) A) and D)
F) None of the above C

Exam 2: Fundamental Building Blocks: Chemistry, water, and Ph

Anything that occupies space and has mass is energy.

Correct Answer
verified

All the atoms of the same element will have the same:

Correct Answer
verified

In what ways are hydrogen bonds and ionic bonds similar?

Correct Answer
verified

Oxygen has six electrons in its second outer shell,and hydrogen has one.With how many hydrogen atoms will oxygen form covalent bonds?

Correct Answer
verified

The high specific heat and surface tension of water are a result of:

Correct Answer
verified

You have a substance and begin a set of experiments in which you break it down into other substances through chemical reactions.After a few successive reactions,you discover a set of products that can't be broken down further,no matter what type of chemical reaction you attempt.These substances are:

Correct Answer
verified

A signal molecule will ________ to a receptor if the molecules' shapes match,similar to a key in a lock.

Correct Answer
verified

An atom will react with other atoms only until:

Correct Answer
verified

Chlorine has an atomic number of 17,and argon has an atomic number of 18.From this information alone,you can predict that:

Correct Answer
verified

Atoms are electrically neutral.

Correct Answer
verified
True

It takes more energy to raise the temperature of water than of alcohol because water has a higher ________.

Correct Answer
verified

What is the difference between an ionic and covalent bond?

Correct Answer
verified

In a bottle of water,hydrogen bonding occurs between the hydrogen of one atom and a/an:

Correct Answer
verified

What is chemical bonding? Explain the differences between covalent and ionic bonding.

Correct Answer
verified
Atoms react if they need electrons to co...
View Answer

Correct Answer
verified
Magnesium hydroxide provides h...
View Answer

Which of the following is true of chemical bonds?

Correct Answer
verified

An atom becomes an ion when:

Correct Answer
verified
C

An element with 22 protons,22 neutrons,and 22 electrons would have an atomic number of:

Correct Answer
verified

Chemical reactions involve only the outermost electrons of an atom.

Correct Answer
verified

In hydrogen bonding,hydrogen nearly always pairs with:

Correct Answer
verified
C

Exam 2: Fundamental Building Blocks: Chemistry, water, and Ph

Anything that occupies space and has mass is energy.

Correct AnswerverifiedShow Answer

All the atoms of the same element will have the same:

Correct AnswerverifiedShow Answer

In what ways are hydrogen bonds and ionic bonds similar?

Correct AnswerverifiedShow Answer

Oxygen has six electrons in its second outer shell,and hydrogen has one.With how many hydrogen atoms will oxygen form covalent bonds?

Correct AnswerverifiedShow Answer

The high specific heat and surface tension of water are a result of:

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

A signal molecule will ________ to a receptor if the molecules' shapes match,similar to a key in a lock.

Correct AnswerverifiedShow Answer

An atom will react with other atoms only until:

Correct AnswerverifiedShow Answer

Chlorine has an atomic number of 17,and argon has an atomic number of 18.From this information alone,you can predict that:

Correct AnswerverifiedShow Answer

Atoms are electrically neutral.

Correct AnswerverifiedTrue

It takes more energy to raise the temperature of water than of alcohol because water has a higher ________.

Correct AnswerverifiedShow Answer

What is the difference between an ionic and covalent bond?

Correct AnswerverifiedShow Answer

In a bottle of water,hydrogen bonding occurs between the hydrogen of one atom and a/an:

Correct AnswerverifiedShow Answer

What is chemical bonding? Explain the differences between covalent and ionic bonding.

Correct AnswerverifiedAtoms react if they need electrons to co...View AnswerShow Answer

Correct AnswerverifiedMagnesium hydroxide provides h...View AnswerShow Answer

Which of the following is true of chemical bonds?

Correct AnswerverifiedShow Answer

An atom becomes an ion when:

Correct AnswerverifiedC

An element with 22 protons,22 neutrons,and 22 electrons would have an atomic number of:

Correct AnswerverifiedShow Answer

Chemical reactions involve only the outermost electrons of an atom.

Correct AnswerverifiedShow Answer

In hydrogen bonding,hydrogen nearly always pairs with:

Correct AnswerverifiedC

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
True

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Atoms react if they need electrons to co...
View Answer

Correct Answer
verified
Magnesium hydroxide provides h...
View Answer

Correct Answer
verified

Correct Answer
verified
C

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
C