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Ch.8 - Basic Concepts of Chemical Bonding
Chapter 8, Problem 12a

(a) True or false: The hydrogen atom is most stable when it has a full octet of electrons.

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1
Understand the concept of electron configuration and stability for hydrogen.
Recall that hydrogen has only one electron and one proton, making it the simplest atom.
Recognize that the octet rule applies to atoms that can have up to eight electrons in their valence shell, typically seen in elements of the second period and beyond.
Note that hydrogen is stable with a full valence shell of 2 electrons, not 8, as it only has the 1s orbital available.
Conclude that the statement is false because hydrogen is most stable with 2 electrons, not a full octet.

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Key Concepts

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

Octet Rule

The octet rule is a chemical principle that states atoms tend to bond in such a way that they have eight electrons in their valence shell, achieving a stable electron configuration similar to that of noble gases. This rule is particularly applicable to main group elements and helps explain the formation of chemical bonds.
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Hydrogen's Electron Configuration

Hydrogen, with only one electron, is unique in that it can achieve stability by having a full outer shell with just two electrons, rather than eight. This is because hydrogen's first and only energy level can hold a maximum of two electrons, making its most stable state the duet configuration.
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Electron Configuration Example

Stability in Atoms

Stability in atoms is often associated with having a complete outer electron shell. For most elements, this means achieving an octet, but for hydrogen, stability is reached with two electrons. Understanding this distinction is crucial for evaluating the stability of different elements and their bonding behavior.
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Band of Stability: Atomic Forces