Lewis Structures and Ionic Charges
Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Practice Problem
•
Hard
Jackson Turner
FREE Resource
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9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main focus of the video tutorial?
Learning about ionic bonds
Understanding molecular geometry
Balancing chemical equations
Writing the Lewis structure for ammonium phosphate
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What charge does the ammonium ion (NH4+) carry?
Positive one
Neutral
Negative one
Negative three
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which ion is described as having a three minus charge?
Nitrate ion
Phosphate ion
Ammonium ion
Sulfate ion
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do the charges of NH4+ and PO4 3- contribute to the compound's neutrality?
They both have negative charges
They do not affect the compound's charge
They both have positive charges
Their charges balance each other out
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in drawing the Lewis structure for NH4+?
Drawing the electron pairs
Balancing the charges
Placing NH4+ ions around the phosphate
Drawing the phosphate ion
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where should the charge of the ammonium ion be indicated in the Lewis structure?
It is not indicated
Inside the brackets
Next to the phosphate ion
Outside the brackets
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of resizing the NH4+ ions in the structure?
To balance the charges
To make room for the phosphate ion
To fit them into the video frame
To make them more visible
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