Elements, Compounds, Mixture
Authored by Jin G
Science
8th - 9th Grade
NGSS covered
Used 203+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following could be a symbol on the periodic table of elements?
JZ
jz
Jz
jZ
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Salt water boils and the water completely evaporates, salt (NaCl) is left in the bottom of the beaker. Which of the following is left in the beaker?
Tags
NGSS.MS-PS1-4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What cannot be broken down into other substances?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is made up two or more elements that are chemically combined?
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
How many elements are represented in the compound?
Na2CO3
2
4
3
5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the difference between Co and CO?
CO is an element but Co is a compound
Nothing is different. They are the same thing.
CO is two elements and Co is only one element
CO is a mixture but Co is an element.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which one is a compound?
Ni
F
Hg
KI
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