
Cobalt II Chloride Concepts

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

Olivia Brooks
FREE Resource
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9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the chemical symbol for cobalt?
Ca
Cl
Cb
Co
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the Roman numeral II indicate in cobalt II chloride?
The charge of cobalt
The number of chlorine atoms
The atomic number of cobalt
The number of electrons
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the ionic charge of chlorine in cobalt II chloride?
1+
2-
1-
2+
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you achieve a neutral compound in cobalt II chloride?
By adding more chlorine
By balancing the charges
By adding more cobalt
By changing the temperature
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What method is used to determine the subscripts in the formula of cobalt II chloride?
Addition method
Substitution method
Crisscross method
Balancing method
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the net charge of cobalt II chloride?
2+
1-
0
1+
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the formula for cobalt II chloride verified?
By checking the color
By balancing the charges
By measuring the mass
By checking the temperature
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final formula for cobalt II chloride?
CoCl
CoCl2
Co2Cl
Co2Cl2
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who is the presenter of the video?
Dr. D
Dr. B
Dr. C
Dr. A
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