
Expanded Octets and Lewis Structures

Interactive Video
•
Chemistry, Science, Biology
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is hydrogen an exception to the octet rule?
It has a full d orbital.
It can form multiple bonds.
It needs only two electrons to be stable.
It can only hold one electron.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to lithium's electron configuration when it loses its valence electron?
It gains an extra electron.
It forms a double bond.
It becomes similar to helium.
It gains a negative charge.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many valence electrons does boron need to be stable in BH3?
Eight
Six
Four
Two
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a characteristic of expanded octets?
They only occur in noble gases.
They involve elements from the first period.
They can have more than eight electrons.
They are only found in metals.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In PCl5, how many valence electrons surround the phosphorus atom?
Twelve
Eight
Ten
Six
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which element is known for having an expanded octet in PCl5?
Phosphorus
Nitrogen
Chlorine
Oxygen
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is unique about odd electron compounds?
They have an even number of electrons.
They always form double bonds.
They have an odd number of electrons.
They are only found in gases.
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