Chemistry Unit Review
Authored by Mrs. Wachob
Chemistry
8th Grade
NGSS covered
Used 44+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
All matter is made up of .....
Compounds
Atoms
Molecules
Air
Tags
NGSS.MS-PS1-1
NGSS.MS-PS1-5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where are the most reactive nonmetals located on the periodic table?
the uppermost complete row of the table
the rows at the bottom of the table connecting two sections
the column at the far left side of the table
the second column from the right side of the table
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the concept of conservation of mass apply to chemical reactions?
The reactants and products have exactly the same atoms.
The reactants and products have exactly the same molecules.
The change in the amount of matter is equal to the change in energy.
The change in the amount of matter is only a small percentage of the total mass.
Tags
NGSS.MS-PS1-5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which substance is composed of only one type of atom?
water
gold
salt
sugar
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When oxygen combines with hydrogen, which substance is formed?
water
vinegar
hydrochloric acid
hydrogen dioxide
Tags
NGSS.MS-PS1-1
NGSS.MS-PS1-5
NGSS.MS-PS1-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where are the most reactive metals located on the periodic table?
the uppermost complete row of the table
the rows at the bottom of the table connecting two section
the column at the far left side of the table
the second column from the right side of the table
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does a balanced chemical equation satisfy the Law of Conservation of Mass?
During a chemical reaction, the total amount of matter stays the same.
During a chemical reaction, matter is destroyed.
During a chemical reaction, one or more new substances are formed.
During a chemical reaction, the total number of atoms increases.
Tags
NGSS.MS-PS1-5
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