How many total valence electrons are present in the CNO- ion?

CNO- Lewis Structure and Valence Electrons

Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Hard

Jackson Turner
FREE Resource
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8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
20
14
16
18
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which atom is placed at the center of the CNO- Lewis structure?
Carbon
Oxygen
Hydrogen
Nitrogen
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the initial number of valence electrons around Carbon before sharing with Nitrogen?
8
2
4
6
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many valence electrons does Nitrogen have after sharing with Carbon to form a triple bond?
8
7
6
9
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is a triple bond formed between Carbon and Nitrogen in the CNO- structure?
To increase the number of valence electrons
To make the structure symmetrical
To satisfy the octet rule for Carbon
To decrease the formal charge on Oxygen
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formal charge on Oxygen in the CNO- Lewis structure?
0
-1
+1
-2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What would be the result of forming a double bond between Carbon and Oxygen?
The octet rule would not be satisfied for Carbon
The structure would have a negative charge
All atoms would have a formal charge of 0
Oxygen would have a positive formal charge
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the arrangement with a triple bond between Carbon and Nitrogen preferred?
It gives each atom a formal charge of 0
It aligns with the electronegativity of the atoms
It results in the lowest energy state
It maximizes the number of bonds
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