
Polyatomic Ions and Iron Compounds
Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Practice Problem
•
Hard
Olivia Brooks
FREE Resource
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the charge of iron in Iron(III) Sulfate?
4+
1+
2+
3+
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a polyatomic ion that needs to be memorized?
Phosphate
Sulfate
Chloride
Nitrate
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the charge of the sulfate ion?
2-
3-
4-
1-
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What method is used to balance the charges in Iron(III) Sulfate?
Elimination
Cross-multiply
Crisscross
Substitution
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the crisscross method, what is done with the charges?
They are subtracted
They are ignored
They are swapped
They are added
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct formula for Iron(III) Sulfate?
Fe(SO4)2
Fe2(SO4)3
FeSO4
Fe3(SO4)2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do the charges in Iron(III) Sulfate balance out?
3+ and 3-
2+ and 2-
6+ and 6-
4+ and 4-
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