
Ionic Compounds and Their Naming
Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it necessary to use Roman numerals when naming certain binary ionic compounds?
To indicate the number of atoms in the compound
To specify the charge on the metal cation
To show the compound's molecular weight
To denote the compound's color
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the charge on iron in the compound FeO?
+4
+1
+3
+2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do we determine the charge on iron in Fe2O3?
By guessing based on common charges
By using the periodic table
By ensuring the compound is electrically neutral
By measuring the compound's mass
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the name of the compound with the formula CoBr2?
Cobalt bromide
Cobalt(II) bromide
Cobalt(III) bromide
Cobalt(IV) bromide
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the Roman numeral IV indicate in the name lead(IV) chloride?
The number of lead atoms
The number of chloride ions
The charge on the lead ion
The compound's molecular weight
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the compound chromium(II) nitride, why are three cations needed?
To increase the compound's stability
To make the compound heavier
To change the compound's color
To balance the charge with two nitride ions
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for chromium(II) nitride?
CrN2
Cr3N2
Cr2N3
CrN
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