Balancing Chemical Reactions and Symbols
Interactive Video
•
Chemistry, Science, Physics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
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9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in writing a chemical equation from a description?
Balancing the equation
Identifying the reactants and products
Drawing the chemical symbols
Calculating the molar mass
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a reactant in the reaction between sodium and chlorine?
Water
Chlorine gas
Oxygen
Sodium chloride
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the chemical symbol for sodium?
K
Na
Cl
S
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is chlorine gas represented as Cl2 in chemical equations?
It is a compound
It is a noble gas
It is a diatomic element
It is a monatomic element
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the product formed when sodium reacts with chlorine gas?
Sodium carbonate
Sodium hydroxide
Sodium chloride
Sodium oxide
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the state of sodium chloride when formed in the reaction?
Aqueous
Liquid
Gas
Solid
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of balancing a chemical equation?
To increase the reaction rate
To change the reactants
To ensure the same number of atoms on both sides
To make it look neat
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