

Valence Electrons and Ionic Compounds
Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Practice Problem
•
Hard
Emma Peterson
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the two ions that make up NH4OH?
Calcium and Carbonate
Potassium and Nitrate
Sodium and Chloride
Ammonium and Hydroxide
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many valence electrons are present in the NH4+ ion?
8
10
6
12
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the NH4+ Lewis structure, which element is placed at the center?
Hydrogen
Oxygen
Carbon
Nitrogen
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What charge does the ammonium ion (NH4+) carry?
Negative
Positive
Neutral
Variable
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the total number of valence electrons in the OH- ion?
7
9
8
6
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which element is central in the OH- Lewis structure?
Carbon
Hydrogen
Oxygen
Nitrogen
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the charge on the hydroxide ion (OH-)?
Positive
Negative
Neutral
Variable
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