
Ionic Compounds and Ammonium Ions
Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Practice Problem
•
Hard
Jackson Turner
FREE Resource
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of recognizing the ending '-ium' in chemical names?
It means the compound is organic.
It denotes a gaseous state.
It suggests the presence of a polyatomic ion.
It indicates a metal element.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the chemical formula for the ammonium ion?
NH2+
NH4+
NH5+
NH3+
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you find the formula for the ammonium ion if you haven't memorized it?
By looking it up in a periodic table.
By checking a table of polyatomic ions.
By using a calculator.
By asking a chemist.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the charge of the chromate ion?
1+
2+
1-
2-
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to balance the charges in an ionic compound?
To make the compound reactive.
To give the compound a pleasant color.
To make the compound soluble in water.
To ensure the compound is stable.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many ammonium ions are needed to balance the charge of one chromate ion?
One
Two
Three
Four
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final chemical formula for ammonium chromate?
(NH4)2CrO4
NH4CrO4
(NH3)2CrO4
NH4CrO3
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