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

Hydrogen Bonding

Anatomy & Physiology

2. Cell Chemistry & Cell Components

Hydrogen Bonding

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Multiple Choice

What property of the bond between a Hydrogen (H) atom and an Oxygen (O) atom in a molecule of water
makes it a polar bond?

O and H are equally electronegative.

O is more electronegative than H.

H is more electronegative than O.

Water molecules form ionic bonds with one another.

Hydrogen bonds form between H and O.

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Verified step by step guidance

Understand the concept of electronegativity: Electronegativity is a measure of an atom's ability to attract and hold onto electrons. In a chemical bond, the atom with higher electronegativity will attract the shared electrons more strongly.

Identify the electronegativity difference: In a water molecule (H₂O), the oxygen (O) atom is more electronegative than the hydrogen (H) atom. This difference in electronegativity is crucial for determining the type of bond.

Determine the type of bond: When there is a significant difference in electronegativity between two atoms, the bond is polar. This means that the shared electrons are more attracted to the more electronegative atom, creating a partial negative charge on that atom and a partial positive charge on the other.

Apply to the water molecule: In H₂O, the oxygen atom attracts the shared electrons more strongly than the hydrogen atoms, resulting in a polar covalent bond. This causes the oxygen to have a partial negative charge and the hydrogens to have a partial positive charge.

Recognize the implications of polarity: The polarity of the O-H bond in water leads to hydrogen bonding between water molecules, which is responsible for many of water's unique properties, such as high surface tension and boiling point.