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15 questions
What is the picture displayed?
atom
element
compound
What is the picture displayed?
compound
element
molecule
Which of the following cannot be broken down into something simpler?
A compound
An element
A mixture
How many elements are in C6H12O6?
1
2
3
6
Humans absorb oxygen from the air they breathe in and exhale carbon dioxide gas, CO2. Carbon dioxide gas is
an element made of carbon and oxygen atoms.
a solution made of carbon and oxygen atoms.
a compound of carbon and oxygen atoms.
a mixture of carbon and oxygen atoms.
How many Hydrogen atoms are present in H20?
2
4
1
0
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