Chemical Reactions
Authored by Kelly Fletcher
Science
7th - 9th Grade
NGSS covered
Used 1K+ times
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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
During a reaction, atoms are
created
destroyed
neither created or destroyed - just rearranged
Tags
NGSS.MS-PS1-5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many total atoms are in this compound? Al2O3
2
5
6
3
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many F atoms are in this compound?
MgF2
2
6
8
12
Tags
NGSS.MS-PS1-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Is a copper penny turning greenish after a few years a chemical or physical change?
Chemical Change
Physical Change
Tags
NGSS.MS-PS1-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
the starting materials in a chemical reaction are called what?
Products
Reactants
Starters
Enders
Tags
NGSS.MS-PS1-5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
a substance that is formed as the result of a chemical reaction is called
Product
Reactant
Starters
Enders
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How would you describe this chemical formula?
3O
3 Oxygen molecules
3 Oxygen atoms
3 Oxygen elements
3 Oxygen compounds
Tags
NGSS.MS-PS1-1
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