Lewis Structures #1
Flashcard
•
Chemistry
•
10th Grade - University
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
What does each line in a Lewis structure represent?
Back
Each line represents a pair of shared electrons.
2.
FLASHCARD QUESTION
Front
According to the octet rule, how many valence electrons do most elements need?
Back
Most elements need 8 valence electrons.
3.
FLASHCARD QUESTION
Front
What is the Lewis structure for BF3?
Back
The correct structure for BF3 is represented by Option A.
4.
FLASHCARD QUESTION
Front
How many valence electrons are available for bonding in the sulfate ion (SO4-2)?
Back
There are 32 valence electrons available for bonding in the sulfate ion.
5.
FLASHCARD QUESTION
Front
What type of bond involves three pairs of shared electrons?
Back
A triple bond involves three pairs of shared electrons.
6.
FLASHCARD QUESTION
Front
What is a Lewis structure?
Back
A Lewis structure is a diagram that shows the bonding between atoms and the lone pairs of electrons in a molecule.
7.
FLASHCARD QUESTION
Front
What is the octet rule?
Back
The octet rule states that atoms tend to bond in such a way that they have eight electrons in their valence shell.
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