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Mini-Quiz: Chemical Compounds

by Ron Kurtus (revised 19 November 2011)

Take this Mini-Quiz to check your understanding of the lesson material.

1. Since sand is silicon dioxide (SiO2), is it a compound or a mixture?

Sand is a mixture, because the grains can be easily separated

Pure sand (SiO2) is a compound

Sand is a form of gravel, thus is has no classification

2. Is neon (Ne) gas a compound?

Yes, because it consists of N + e

It depends on what element neon combines with

No, because it is a single atom

3. Is clay (HAlSiO4) a binary or ternary compound?

Ternary because it has more than two elements

Binary because it can be split in two

Neither, since it consists of four elements

If you got all three correct, you are on your way to becoming a Champion in Chemistry. If you had problems, you had better look over the material again.

Much of Chemistry is about compounds

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