Question 1

The ___________________ of atoms determine how atoms will react with each other.

Accepted Answer

A) protons 
B) neutrons 
C) nuclei 
D) electrons 
A) protons 
B) neutrons 
C) nuclei 
D) electrons D

Question 2

What are two of the characteristics of water that make it so important in living organisms?

Accepted Answer

Water is a polar molecule,and can form hydrogen bonds.These two characteristics are responsible for the properties of high polarity,heat-storing ability,high heat of vaporization,low density of ice,and cohesion.

Question 3

A solution with a pH of 3 is said to be highly ____________.

Accepted Answer

acidic

Question 4

The nucleus of an atom is composed of two subatomic particles,______________ and _____________.

Accepted Answer

A) protons;neutrons 
B) protons;electrons 
C) neutrons;electrons 
A) protons;neutrons 
B) protons;electrons 
C) neutrons;electrons

Question 5

Nonpolar molecules are water soluble.

Accepted Answer

A) True 
 B)False

Question 6

Atoms that have the same number of protons but differ in their number of neutrons are _________________.

Accepted Answer

The answer of Atoms that have the same number of...

Question 7

What is acid rain and how does it affect forests and lakes?

Accepted Answer

Will vary,but should include the emissio

Question 8

The type of bond that forms between two atoms when electrons are shared is a(n)_______________ bond.

Accepted Answer

A) hydrogen 
B) covalent 
C) kinetic 
D) ionic 
A) hydrogen 
B) covalent 
C) kinetic 
D) ionic

Question 9

What property of water is NOT attributable to hydrogen bonding between water molecules?

Accepted Answer

A) Heat storage 
B) Ice formation 
C) Polarity 
D) Cohesion 
A) Heat storage 
B) Ice formation 
C) Polarity 
D) Cohesion

Question 10

A substance that increases the concentration of H+ is called a(n)________.

Accepted Answer

Question 11

What are some of the uses of radioactive isotopes?

Accepted Answer

Will vary,but should

Question 12

Atoms that bear a positive or negative charge are known as:

Accepted Answer

A) magnetic 
B) electrically neutral 
C) ions 
D) lacking nuclei 
A) magnetic 
B) electrically neutral 
C) ions 
D) lacking nuclei

Question 13

When water ionizes,the negatively charged OH fragment is the ____________ ion.

Accepted Answer

The answer of When water ionizes,the negatively charged OH fragment...

Question 14

The second shell in an atom contains ________ orbitals and holds up to ________ electrons.

Accepted Answer

A) 4;4 
B) 3;2 
C) 4;8 
D) 3;8 
E) 8;24 
A) 4;4 
B) 3;2 
C) 4;8 
D) 3;8 
E) 8;24

Question 15

Describe the structure of an atom,and include how the number of electrons in the outer shell will affect an atom's tendency to interact with other atoms.

Accepted Answer

Atoms contain protons (positively charge

Question 16

In an atom,protons are always:

Accepted Answer

A) equal to the electrons 
B) never equal to the electrons 
C) equal to the neutrons 
D) combined with the electrons to calculate the atomic mass 
A) equal to the electrons 
B) never equal to the electrons 
C) equal to the neutrons 
D) combined with the electrons to calculate the atomic mass

Question 17

Which statement is incorrect about acid rain?

Accepted Answer

A) It comes from the tall stacks of coal-burning power plants. 
B) Its effects have been more devastating to the Southeast than the Northeast. 
C) Sulfuric acid in the atmosphere is carried back to earth with rain. 
D) It has resulted in lakes becoming devoid of life. 
E) In 1989,rain and snow in the Northeast often had a pH as low as 2. 
A) It comes from the tall stacks of coal-burning power plants. 
B) Its effects have been more devastating to the Southeast than the Northeast. 
C) Sulfuric acid in the atmosphere is carried back to earth with rain. 
D) It has resulted in lakes becoming devoid of life. 
E) In 1989,rain and snow in the Northeast often had a pH as low as 2.

Question 18

The volume of space around a nucleus where an electron is most likely to be located is called the _______________ of that electron.

Accepted Answer

A) energy level 
B) spin 
C) pathway 
D) orbital 
A) energy level 
B) spin 
C) pathway 
D) orbital

Question 19

Atomic mass refers to the numbers of ___________ and __________ of an atom.

Accepted Answer

The answer of Atomic mass refers to the numbers of...

Question 20

Water moving up into a paper towel is attributable to:

Accepted Answer

A) heat storage 
B) high heat of vaporization 
C) electronegativity 
D) cohesion 
E) adhesion 
A) heat storage 
B) high heat of vaporization 
C) electronegativity 
D) cohesion 
E) adhesion

Exam 2: The Chemistry of Life

The ___________________ of atoms determine how atoms will react with each other.

What are two of the characteristics of water that make it so important in living organisms?

A solution with a pH of 3 is said to be highly ____________.

The nucleus of an atom is composed of two subatomic particles,______________ and _____________.

Nonpolar molecules are water soluble.

Atoms that have the same number of protons but differ in their number of neutrons are _________________.

What is acid rain and how does it affect forests and lakes?

The type of bond that forms between two atoms when electrons are shared is a(n)_______________ bond.

What property of water is NOT attributable to hydrogen bonding between water molecules?

A substance that increases the concentration of H+ is called a(n)________.

What are some of the uses of radioactive isotopes?

Atoms that bear a positive or negative charge are known as:

When water ionizes,the negatively charged OH fragment is the ____________ ion.

The second shell in an atom contains ________ orbitals and holds up to ________ electrons.

Describe the structure of an atom,and include how the number of electrons in the outer shell will affect an atom's tendency to interact with other atoms.

In an atom,protons are always:

Which statement is incorrect about acid rain?

The volume of space around a nucleus where an electron is most likely to be located is called the _______________ of that electron.

Atomic mass refers to the numbers of ___________ and __________ of an atom.

Water moving up into a paper towel is attributable to:

The Science of Biology

Molecules of Life

Cells

Energy and Life

Photosynthesis: Acquiring Energy From the Sun

How Cells Harvest Energy From Food

Mitosis

Meiosis

Foundations of Genetics

DNA: the Genetic Material

How Genes Work

Genomics and Biotechnology

Evolution and Natural Selection

How We Name Living Things

Prokaryotes: the First Single-Celled Creatures

Protists: Advent of the Eukaryotes

Fungi Invade the Land

Evolution of the Animal Phyla

History of the Vertebrates

How Humans Evolved

The Animal Body and How It Moves

Circulation

Respiration

The Path of Food Through the Animal Body

Maintaining the Internal Environment

How the Animal Body Defends Itself

The Nervous System

The Senses

Chemical Signaling Within the Animal Body

Reproduction and Development

Evolution of Plants

Plant Form and Function

Plant Reproduction and Growth

Populations and Communities

Ecosystems

Behavior and the Environment

Human Influences on the Living World

Filters

The nucleus of an atom is composed of two subatomic particles,__ and _.

A substance that increases the concentration of H⁺ is called a(n)________.

The second shell in an atom contains orbitals and holds up to electrons.

Atomic mass refers to the numbers of _ and of an atom.