Question 1

Water is an example of a compound.

Accepted Answer

A) True 
 B)False

Question 2

In an ionic bond

Accepted Answer

A) each atom gains electrons. 
B) atoms share a pair or more of electrons. 
C) oppositely charged atoms attract. 
D) like-charged atoms repel. 
A) each atom gains electrons. 
B) atoms share a pair or more of electrons. 
C) oppositely charged atoms attract. 
D) like-charged atoms repel.

Question 3

Considering the number of valence electrons carbon has, what is the maximum number of hydrogen atoms a free carbon atom may bond with?

Accepted Answer

A) 1 
B) 2 
C) 4 
D) 8 
A) 1 
B) 2 
C) 4 
D) 8

Question 4

Consider the following list of commonly found items and their pH values: Battery acid (1.0), vinegar (2.2), grapes (3.5-4.5), tomato (4.0-4.5), beer (4.2), coffee (5.0), white bread (5.0-6.0), butter (6.1-6.4), egg whites (7.6-8.0), baking soda (8.3), milk of magnesia (10.6), bleach (12.8)
Based on your knowledge of acid and base reactions, which of the following would be most likely to react with a base to form a salt?

Accepted Answer

A) Bleach 
B) Battery acid 
C) Coffee 
D) Egg whites 
A) Bleach 
B) Battery acid 
C) Coffee 
D) Egg whites

Question 5

A ribosome exists as an association between different ribosomal protein subunits. The entire structure of the ribosome with its associations between subunits is considered the

Accepted Answer

A) primary structure. 
B) secondary structure. 
C) tertiary structure. 
D) quaternary structure. 
A) primary structure. 
B) secondary structure. 
C) tertiary structure. 
D) quaternary structure.

Question 6

Exposure to ionizing radiation may

Accepted Answer

A) cloud the lens of the eye. 
B) cause cancer. 
C) interfere with normal growth. 
D) All of the answer choices are correct. 
A) cloud the lens of the eye. 
B) cause cancer. 
C) interfere with normal growth. 
D) All of the answer choices are correct.

Question 7

Sodium and chloride atoms combine readily because they both lose electrons.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following substances is an element?

Accepted Answer

A) Iron 
B) Water 
C) Sodium chloride 
D) Glucose 
A) Iron 
B) Water 
C) Sodium chloride 
D) Glucose

Question 9

The difference between carbon-13 and carbon-14 is their number of ________.

Accepted Answer

The answer of The difference between carbon-13 and carbon-14 is...

Question 10

When placed into water, the ionic compound NaCl will

Accepted Answer

A) bond more strongly to each other. 
B) dissociate into Na⁺ and Cl⁻ ions. 
C) bond covalently with water molecules, forming HCl and NaOH. 
D) decompose. 
A) bond more strongly to each other. 
B) dissociate into Na⁺ and Cl⁻ ions. 
C) bond covalently with water molecules, forming HCl and NaOH. 
D) decompose.

Water is an example of a compound.

In an ionic bond

Considering the number of valence electrons carbon has, what is the maximum number of hydrogen atoms a free carbon atom may bond with?

A ribosome exists as an association between different ribosomal protein subunits. The entire structure of the ribosome with its associations between subunits is considered the

Exposure to ionizing radiation may

Sodium and chloride atoms combine readily because they both lose electrons.

Which of the following substances is an element?

The difference between carbon-13 and carbon-14 is their number of ________.

When placed into water, the ionic compound NaCl will

Introduction to Human Anatomy and Physiology

Cells

Cellular Metabolism

Tissues

Integumentary System

Skeletal System

Joints of the Skeletal System

Muscular System

Nervous System I: Basic Structure and Function

Nervous System II: Divisions of the Nervous System

Nervous System III: Senses

Endocrine System

Blood

Cardiovascular System

Lymphatic System and Immunity

Digestive System

Nutrition and Metabolism

Respiratory System

Urinary System

Water, Electrolyte, and Acid-Base Balance

Reproductive Systems

Pregnancy, Growth, and Development

Genetics and Genomics

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Exam 2: Chemical Basis of Life

Water is an example of a compound.

In an ionic bond

Considering the number of valence electrons carbon has, what is the maximum number of hydrogen atoms a free carbon atom may bond with?

A ribosome exists as an association between different ribosomal protein subunits. The entire structure of the ribosome with its associations between subunits is considered the

Exposure to ionizing radiation may

Sodium and chloride atoms combine readily because they both lose electrons.

Which of the following substances is an element?

The difference between carbon-13 and carbon-14 is their number of ________.

When placed into water, the ionic compound NaCl will

Introduction to Human Anatomy and Physiology

Cells

Cellular Metabolism

Tissues

Integumentary System

Skeletal System

Joints of the Skeletal System

Muscular System

Nervous System I: Basic Structure and Function

Nervous System II: Divisions of the Nervous System

Nervous System III: Senses

Endocrine System

Blood

Cardiovascular System

Lymphatic System and Immunity

Digestive System

Nutrition and Metabolism

Respiratory System

Urinary System

Water, Electrolyte, and Acid-Base Balance

Reproductive Systems

Pregnancy, Growth, and Development

Genetics and Genomics

Filters