Mini-Quiz: Chemical Compounds

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

   Sand is a mixture, because the grains can be easily separatedSorry, not correct. Try another button. Pure sand (SiO2) is a compoundThat is correct. You are becoming a Champion. Sand is a form of gravel, thus is has no classificationGood try, but not right. Select another answer.

2. Is neon (Ne) gas a compound?

   Yes, because it consists of N + eSorry, not correct. Try another button. It depends on what element neon combines withOops! Wrong answer. Re-read the question and try again. No, because it is a single atomCorrect. You know about chemical compounds!

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

   Ternary because it has more than two elementsOops! Wrong answer. Re-read the question and try again. Binary because it can be split in twoGood try, but not right. Select another answer. Neither, since it consists of four elementsThat is correct. You are becoming a Champion.

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