
Unit 6 Chemistry Test Review
Authored by Allen Wilson
Chemistry
8th Grade
Used 106+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which is the best example of a pure substance?
peanuts
milk
gold
air
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which pair of elements has the most similar properties? (Hint: Look @ Periodic Table)
Li and B
I and Ca
K and He
N and P
3.
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.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can mixtures best be described?
made of one element
made of different elements that are all chemically bonded together
made of different elements that are not all chemically bonded together
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which state of matter will the atoms of an element be tightly packed together?
solid
liquid
gas
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mg(OH)2 is a compound. How many different elements are found in this compound?
1
2
3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If an element has no electrons to share and is stable, what family is it found in? (Hint: Periodic Table)
alkali metals
noble gases
halogens
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