Parts of a Chemical Equation
Authored by Lisa Thompson
Science
8th Grade
NGSS covered
Used 2+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the number before a chemical formula called?
Ex: 2H2 + O2 --> 2H2O
Coefficient
Subscript
Atom
Equation
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Is the following equation balanced?
2C2H2 + 5O2 --> 4CO2 + 2H2O
yes
no
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What are the larger numbers that you CAN CHANGE in a chemical equation?
Coefficient
Products
Reactants
Subscripts
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many HCl molecules do you need to balance this equation?
Mg + __HCl ---> MgCl2 + H2
1
2
3
4
Tags
NGSS.MS-PS1-5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Identify the Reactants in this equation.
A
B
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Fill in the blank to balance the chemical equation.
2KI + ____Cl2 → 2KCl + I2
1
2
3
4
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following shows the correct way to balance the chemical equation?
Fe + O2 -> Fe2O3
4Fe + 3O2 -> 2Fe2O3
2 Fe + 3O2 -> Fe2O6
4 Fe + O6 -> 2Fe2O3
None of the options are correctly balanced.
Tags
NGSS.MS-PS1-5
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