
Aluminum and Dichromate Chemistry Concepts

Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Hard

Lucas Foster
FREE Resource
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9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the symbol for aluminum in the periodic table?
Ag
Au
Am
Al
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is the correct formula for the dichromate ion?
CrO7^2-
Cr2O4^2-
Cr2O7^2-
CrO4^2-
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the ionic charge of the dichromate ion?
2-
2+
1-
3-
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which group of the periodic table is aluminum found?
Group 17
Group 13
Group 1
Group 18
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the ionic charge of aluminum?
4+
2+
1+
3+
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What method is used to balance the charges in aluminum dichromate?
Cross-multiplication
Crisscross method
Substitution method
Addition method
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do we need to use parentheses around the dichromate ion in the formula?
To separate it from aluminum
To show it's a complex ion
To indicate multiple ions
To balance the equation
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final formula for aluminum dichromate?
Al(Cr2O7)2
Al2(CrO4)3
Al2(Cr2O7)3
Al3(Cr2O7)2
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the net charge of aluminum dichromate?
3+
0
1+
2-
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