Table of contents

1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart3h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

2. Cell Chemistry & Cell Components

Covalent Bonds

Anatomy & Physiology

2. Cell Chemistry & Cell Components

Covalent Bonds

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2:41 minutes

Problem 6

Textbook Question

When a pair of electrons is shared between two atoms, the bond formed is called:
a. A single covalent bond
b. A double covalent bond
c. A triple covalent bond
d. An ionic bond

Verified step by step guidance

Step 1: Understand the concept of covalent bonds. Covalent bonds are formed when atoms share electrons to achieve a stable electron configuration, typically filling their outermost electron shells.

Step 2: Differentiate between single, double, and triple covalent bonds. A single covalent bond involves the sharing of one pair of electrons, a double covalent bond involves the sharing of two pairs of electrons, and a triple covalent bond involves the sharing of three pairs of electrons.

Step 3: Compare covalent bonds to ionic bonds. Ionic bonds are formed when electrons are transferred from one atom to another, resulting in oppositely charged ions that attract each other. This is different from covalent bonds, which involve sharing electrons.

Step 4: Analyze the problem statement. The question specifies that a pair of electrons is shared between two atoms, which aligns with the definition of a single covalent bond.

Step 5: Conclude that the correct answer is based on the type of bond formed when one pair of electrons is shared, and this corresponds to a single covalent bond.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Covalent Bonding

Covalent bonding occurs when two atoms share one or more pairs of electrons. This type of bond typically forms between nonmetals and is crucial for the stability of molecules. The number of shared electron pairs determines the bond type: a single bond involves one pair, a double bond involves two pairs, and a triple bond involves three pairs.

Types of Covalent Bonds

Covalent bonds can be classified based on the number of shared electron pairs. A single covalent bond shares one pair of electrons, a double covalent bond shares two pairs, and a triple covalent bond shares three pairs. Understanding these distinctions is essential for predicting molecular structure and reactivity.

Ionic Bonding

Ionic bonding differs from covalent bonding in that it involves the transfer of electrons from one atom to another, resulting in the formation of charged ions. This type of bond typically occurs between metals and nonmetals and is characterized by the electrostatic attraction between oppositely charged ions. Recognizing the difference between ionic and covalent bonds is key to understanding chemical interactions.