What is the octet rule?
Lewis Structures and Molecular Geometry

Flashcard
•
Chemistry
•
10th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
The octet rule states that atoms tend to gain, lose, or share electrons in order to have eight electrons in their valence shell, achieving a stable electron configuration.
2.
FLASHCARD QUESTION
Front
How many valence electrons does hydrogen have?
Back
Hydrogen has 1 valence electron.
3.
FLASHCARD QUESTION
Front
What is a Lewis structure?
Back
A Lewis structure is a diagram that represents the bonding between atoms of a molecule and the lone pairs of electrons that may exist.
4.
FLASHCARD QUESTION
Front
What is the molecular geometry of CH4?
Back
The molecular geometry of CH4 (methane) is tetrahedral.
5.
FLASHCARD QUESTION
Front
What type of bond is formed between two nonmetals?
Back
A covalent bond is formed between two nonmetals.
6.
FLASHCARD QUESTION
Front
What is the formula for water?
Back
The formula for water is H2O.
7.
FLASHCARD QUESTION
Front
What is the significance of lone pairs in Lewis structures?
Back
Lone pairs are non-bonding pairs of electrons that can affect the shape and polarity of a molecule.
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