Chemical Reactions
Authored by Sammantha Stiles
Chemistry, Science
6th - 8th Grade
Used 2+ times
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37 questions
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1.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
According to the law of conservation of mass, matter cannot be created or ________
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
True or False: In a complete chemical equation, there must be the same number of atoms of each element on the reactants and products side.
True
False
3.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
In a chemical reaction, atoms ________ and form new bonds.
4.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Look at the chemical equation.
How many atoms of mercury (Hg) are in the reactants?
5.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Look at the chemical equation.
How many atoms of oxygen (O) are in the reactants?
6.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Look at the chemical equation.
How many atoms of mercury (Hg) are in the products?
7.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Look at the chemical equation.
How many atoms of oxygen (O) are in the products?
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