Properties of elements and compounds
Authored by Thu Hồng Hoàng
Chemistry
6th Grade
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the chemical formula of carbon dioxide?
CO
CO2
C1O1
C1O2
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Pure substances that are composed of two or more atoms that are chemically combined are called:
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The symbol "Cu" is what element?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many different elements make up nitric acid? HNO3
2
3
4
5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Give an example of an element.
Sulfur dioxide (SO2)
Nitrogen (N2)
Water (H2O)
Carbon dioxide (CO2)
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many atoms of oxygen are in a molecule of glucose (C6H12O6)?
4
6
12
24
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the models best represents CaCO3?
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