Writing Equations
Authored by Lisa Thompson
Science
9th Grade
NGSS covered
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25 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The red numbers in the image below represent ________
subscripts
coefficients
I don't know, and don't want to try
None of the answers are correct
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The blue numbers in the image below represent ________
I don't know, and don't want to try
coefficients
subscripts
none of the answers are correct
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The substances at the beginning of a chemical equation are called the ____
product
yield
chemical symbol
reactants
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
This appears on the left side of a chemical formula, and represents how many molecules there are.
A Molecule
The Coefficient
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
This appears on the left side of a chemical formula, and represents how many molecules there are.
An Atom
The Subscript
A Molecule
The Coefficient
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When balancing equations a ____ can be placed to the left of a formula of a substance to make the equations balanced
charge
subscript
random number
coefficient
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Balance this equation:
2Li + Cl2 -> LiCl
2Li + Cl2 -> 4LiCl2
2Li + Cl2 -> LiCl2
2Li + Cl2 -> 2LiCl
Tags
NGSS.MS-PS1-5
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