What is the primary purpose of a chemical equation?

Breaking Down Chemical Equations And Their Components

Interactive Video
•
Chemistry, Science, Mathematics
•
6th - 8th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To represent a chemical reaction
To describe the physical state of substances
To measure the temperature of a reaction
To list the elements in a compound
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a chemical equation, what are the substances on the left side of the arrow called?
Products
Catalysts
Reactants
Inhibitors
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which term is used to describe the substances formed as a result of a chemical reaction?
Catalysts
Reactants
Products
Inhibitors
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What do the numbers in front of chemical symbols in an equation represent?
Molecular weights
Atomic numbers
Coefficients
Valence electrons
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many sodium atoms are involved in the reaction if the coefficient is 2?
2
3
1
4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of coefficients in balancing chemical equations?
They show the temperature at which the reaction occurs
They balance the number of atoms on both sides of the equation
They indicate the speed of the reaction
They determine the color of the reactants
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a subscript in a chemical formula indicate?
The phase of the substance
The number of molecules
The charge of the ion
The number of atoms of an element in a molecule
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