
Exploring Polyatomic Ions
Interactive Video
•
Chemistry
•
6th - 10th Grade
•
Practice Problem
•
Hard
Sophia Harris
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the prefix 'poly' in polyatomic ions mean?
None
Few
Single
Many
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a polyatomic ion with a 1+ charge?
Ammonium
Carbonate
Nitrate
Acetate
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the charge of the sulfate ion (SO4)?
1-
2-
1+
3-
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When writing the chemical formula for potassium carbonate, what is the correct formula?
K(CO3)2
K2(CO3)2
KCO3
K2CO3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the formula for magnesium sulfate, why is SO4 placed in parentheses?
To indicate multiple ions
To show it is a polyatomic ion
To balance the charge
To separate it from magnesium
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct formula for aluminum hydroxide?
AlOH3
Al(OH)
Al(OH)3
Al3OH
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which polyatomic ion is the only one with a positive charge?
Nitrate
Hydroxide
Ammonium
Phosphate
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