Chemistry Unit Test
Authored by Kadie Meredith
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35 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Is this equation balanced?
yes
no
2.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
What kind of reaction is illustrated below?
chemical
physical
3.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
What kind of change is illustrated below?
chemical
physical
4.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Which is correct about this chemical equation?
Na 1 Br 1 Cl 2 - Na 1 Br 1 Cl 1
Na 1 Br 1 Cl 2 - Na 1 Br 1 Cl 2
Na 2 Br 1 Cl 2 - Na 1 Br 1 Cl 1
Na 1 Br 1 Cl 2 - Na 1 Br 2 Cl 1
5.
OPEN ENDED QUESTION
30 sec • Ungraded
How does this support the law of conservation?
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6.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
How many valence electrons are in this atom of Silicon?
14
8
4
2
7.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Is this a balanced chemical equation?
Yes
No
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