
Ammonium Ion and Lewis Structures
Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the central atom in the ammonium ion?
Nitrogen
Oxygen
Hydrogen
Carbon
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many hydrogen atoms are present in the ammonium ion?
Two
Three
Four
Five
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the valence electron count for nitrogen in the ammonium ion?
3
5
7
9
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you adjust the electron count for a cation?
Halve the electrons
Double the electrons
Remove electrons
Add electrons
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the total number of valence electrons in the ammonium ion before adjustment?
8
9
10
6
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in creating a Lewis structure for the ammonium ion?
Distribute electrons
Calculate total charge
Bond hydrogen to nitrogen
Add brackets
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many pairs of electrons are distributed in the ammonium ion's Lewis structure?
4 pairs
3 pairs
2 pairs
5 pairs
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should be added to the Lewis structure to indicate it is an ion?
Brackets and superscript
A circle
A line
A star
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why might the method of indicating charge in a Lewis structure vary?
Different atomic numbers
Different online homework systems
Different molecular weights
Different chemical properties
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