Practice: Lewis Structures
Authored by Patricia Drake
Chemistry
10th - 12th Grade
NGSS covered
Used 109+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the correct Lewis structure for NH3?
Tags
NGSS.HS-PS1-3
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Why is this Lewis Structure incorrect? Choose all that apply.
There are too many bonds around Si.
There should only be single bonds in this Lewis Structure.
The Structure is missing a triple bond.
Chlorine only has 6 electrons surrounding it.
Tags
NGSS.HS-PS1-2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to the octet rule most elements need _______ valence electrons.
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hydrogen needs _____ electrons in its valence shell to be stable.
Tags
NGSS.HS-PS1-1
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A covalent bond is
Tags
NGSS.HS-PS1-1
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Which of the following is the correct Lewis dot structure for the molecule fluorine (F2)?
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What is the correct structure for BF3?
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