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WorksheetsBalancing Chemical Equation
Total questions: 10
Worksheet time: 6mins
A number written in the lower right side of the chemical formula, show the number of atoms of each type in the molecules.
coefficient
parenthesis
subscript
superscript
State that the total mass of the reactant must be equal to the total mass in the product.
Law of Conservation of Mass
Law of Gravity
Law of Reflection
Law of Conservation of Energy
A numerical number attach in front of the chemical formula, denotes the number of molecules or mole in a compound.
coefficient
molecules
subscript
superscript
A method used to balance out the number of each element in both side of the equation.
Inspection method
Redox Reaction
Valence number
None of the above
It is used to form subgroups of atom within a molecule.
coefficient
parenthesis
subscript
superscript
It is the standard way of writing chemical formula.
coefficient
notation
subscript
superscript
Which of the following set of coefficients would balance the given equation?
__Al + __Fe(NO3)2 → __Al(NO3)3 + __Fe
2,2,3,3
2,3,2,3
3,2,3,2
3,3,2,2
In the chemical formula Mg(NO3)2 , the numerical coefficient is equal to_____.
1
2
3
6
In the compound Mg(NO3)2, how many atoms of oxygen is present?
1
2
3
6
In the compound Mg(NO3)2, how many atoms of nitrogen is present?
1
2
3
6
