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WorksheetsTry It: Balancing Day 1
Total questions: 10
Worksheet time: 18mins
What does the Law of Conservation of Mass state?
Matter cannot be created or destroyed in chemical reactions
Matter can be created or destroyed in chemical reaction
Matter can only be created in chemical reactions
Matter can only be destroyed in chemical reactions
What is the coefficient in 3CO2?
3
C
2
6
What is the subscript in 3CO2?
3
C
2
6
What is a chemical symbol in 3CO2?
3
C
2
6
What is the total number of oxygen (O) atoms in 3CO2?
3
C
2
6
How many total lead (Pb) atoms are in the following: 3PbI2?
3
2
6
How many total Iodine (I) atoms are in the following: 3PbI2?
3
2
6
How many total atoms of nitrogen (N) is in the following: 5N3 ?
5
3
15
8
The following equation is balanced: Cu + MgCl2 → CuCl2 + Mg
True, the coefficients are correct
False, the coefficients are: 1, 1, 2, 1
False, the coefficients are: 2, 1, 2, 1
False, the coefficients are: 2, 1, 1, 2
The following equation is balanced: Na + O2→ Na2O
True, the coefficients are correct
False, the coefficients are: 4, 1, 2
False, the coefficients are: 2, 1, 2
False, the coefficients are: 1, 1, 2
