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18 questions
Which of the following is not a compound?
HCl
Cl2
NaCl
CO2
How many Oxygen atoms are in H2O?
1
2
0
4
This picture represents which of the following?
molecular element
molecular compound
mixture
This picture represents which of the following?
molecular element
molecular compound
element
Element
Molecular compound
Molecular element
Mixture
Which of the following elements is NOT DIATOMIC?
Oxygen
Nitrogen
Aluminum
Fluorine
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