Compounds
Authored by Wong Leng
Chemistry, Science
7th Grade
NGSS covered
Used 96+ times
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17 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which statements correctly describe a compound?
It is a pure substance.
It is an impure substance.
It is made up of only one element.
It is made up of two or more elements.
The elements in a compound are chemically combined in a fixed ratio.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Carbon dioxide is a compound.
How many elements are present in this compound?
One
Two
Three
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hydrogen nitrate is a compound.
How many elements are present in this compound?
1
2
3
4
5
Tags
NGSS.MS-PS1-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sodium oxide is a compound.
What elements are present in this compound?
sodium and oxide
sodium and oxygen
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Silicon dioxide is a compound.
What elements are present in this compound?
silicon and dioxide
silicon and oxide
silicon and oxygen
Tags
NGSS.MS-PS1-1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sodium chloride is a compound.
What elements are present in this compound?
sodium and chloride
sodium and chlorine
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ammonia is a compound. What elements are present in this compound?
nitrogen and hydrogen
niobium and hydrogen
nickel and hydrogen
nobelium and hydrogen
Tags
NGSS.MS-PS1-1
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