Writing and Balancing Chemical Equations

Quiz
•
Science
•
8th Grade
•
Hard
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 12 pts
What is the little number after an element in a chemical equation called.
Example: H2
Coefficient
Subscript
Atom
Equation
2.
MULTIPLE CHOICE QUESTION
1 min • 12 pts
Is the following equation balanced?...
Al + O2 --> 2Al2O3
Yes!
No!
Tags
NGSS.MS-PS1-5
3.
MULTIPLE CHOICE QUESTION
1 min • 12 pts
Is the following reaction balanced?
NaHCO3 --> Na2CO3 + H2O + CO2
yes
no
Tags
NGSS.MS-PS1-5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Balance this equation
_Al +_HCl --> _H2 +_AlCl3
2,6,3,2
it's already balanced
4,12,3,4
2,1,4,5
Tags
NGSS.MS-PS1-5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Is this equation balanced?
yes
no
Not enough information
Tags
NGSS.MS-PS1-5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Chemical Equation
A representation of a chemical reaction
the starting materials in a chemical reaction
the new substances that are formed in a chemical reaction
tells how many atoms, molecules, or formula units take part in a reaction
Tags
NGSS.MS-PS1-5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The coefficient in 3H2O is
6
5
2
3
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