Chemistry
Grade-9
Easy
Question
Which of the following is an element?
- CO
- CO2
- MgCl
- Al
Hint:
- An element is a substance that cannot be further broken down by any chemical reaction.
The correct answer is: Al
- An element is a substance that cannot be further broken down by any chemical reaction.
- A compound is a combination of two or more elements.
- CO has two elements oxygen and carbon, it's a compound.
- CO2 has two elements two oxygen atoms and one carbon, it is a compound
- MgCl2 has two elements magnesium and chlorine, it is a compound.
- Al is an element.
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