
Chemical equation practice
Authored by Matthew Gregg
Chemistry
8th Grade
Used 6+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is a chemical reaction?
The reactants and the products.
The total mass of the reactants is equal to the total mass of the products.
The total coefficients and and products.
two or more substances reacting to each other and creating a new substance.
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What does a chemical equation represent?
The number of reactants.
What is happening in a chemical reaction.
The number of products.
The number of atoms of an element present.
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
In a chemical formula the coefficient tells you...
How many elements are in the equation.
How many molecules of a substance are in the equation.
How many atoms of an element are in the equation.
How many reactants or products are in the equation
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
In a chemical formula the subscript tells you...
How many elements are in the equation.
How many molecules are in the equation.
How many atoms of an element are in the equation.
How many reactants or products are in the equation
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is an element?
A pure substance, that cannot be broken down into a simpler substance. Can be found on the periodic table.
Two or more atoms connected together, may or may not be of the same element.
Two or more atoms of different elements connected to each other.
The total number of atoms in a molecule.
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is an molecule?
A pure substance, that cannot be broken down into a simpler substance. Can be found on the periodic table.
Two or more atoms connected together, that may or may not be of the same element.
Two or more atoms of different elements connected to each other.
The total number of atoms in a molecule.
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is an Compound?
A pure substance, that cannot be broken down into a simpler substance. Can be found on the periodic table.
Two or more atoms connected together, that may or may not be of the same element.
Two or more atoms of different elements connected to each other.
The total number of atoms in a molecule.
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