
Is It Balanced
Authored by Charles Martinez
Chemistry
7th Grade
NGSS covered

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In this image, what are the information in red is called the_______.
Tags
NGSS.MS-PS1-2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In this image, what are the information to the right of the arrow (in black) is called the_______.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The law of conservation of mass states that....
Tags
NGSS.MS-PS1-5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Is this balanced?...
Al + O2 --> 2Al2O3
Tags
NGSS.MS-PS1-5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
At the end of chemical reactions, what is the total mass of the reactants compared to the total mass of the products?
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the following chemical equation not balanced?
H2 + O2 --> H2O
Tags
NGSS.MS-PS1-5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many atoms of aluminum are on each side of the following equation: 4Al + 3O2 --> 2Al2 O3
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
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