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 Heart2h 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

Ionic Bonding

Anatomy & Physiology

2. Cell Chemistry & Cell Components

Ionic Bonding

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Multiple Choice

When are atoms most stable?

When they have the fewest possible valence electrons

When they have the maximum number of unpaired electrons.

When the valence shell is completely full of electrons

None of the above.

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Verified step by step guidance

Understand the concept of valence electrons: Valence electrons are the electrons in the outermost shell of an atom. They play a key role in chemical bonding and stability.

Learn about the octet rule: Atoms are most stable when they have a full valence shell, typically consisting of 8 electrons, which is known as the octet rule. This is because a full valence shell resembles the electron configuration of noble gases, which are inherently stable.

Consider the electron configuration: Analyze the electron configuration of an atom to determine if its valence shell is full. For example, noble gases like neon and argon have full valence shells, making them very stable.

Evaluate the given options: Compare the options provided in the problem. The option stating that atoms are most stable when the valence shell is completely full of electrons aligns with the octet rule and the concept of electron configuration stability.

Conclude with the correct understanding: Based on the octet rule and the stability of noble gases, the correct answer is that atoms are most stable when their valence shell is completely full of electrons.