Chemical Reactions
Assessment
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Morgan Henry
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Science
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9th Grade
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22 plays
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Medium
Student preview
20 questions
Show answers
1.
Multiple Choice
the reactant side and product side can have different numbers of atoms for each element
there can be different elements on the reactant side and the product side
an element or compound must be accompanied by a phase change
the coefficients indicate the number of molecules of each reactant used and the number of molecules of each product made
2.
Multiple Choice
True
False
3.
Multiple Choice
How many atoms in all are in a molecule of serotonin?
C10H12N2O
22
24
25
4
4.
Multiple Choice
baking powder fizzing
water boiling
ice melting
sugar cube dissolving
5.
Multiple Choice
paper cut into small pieces
chocolate melting in a pan
flour and sugar mixed in a bowl
cookies baking in an oven
6.
Multiple Choice
How many total atoms are in this compound? Al2O3
2
5
6
3
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