Problem: Which statement best describes a compound? a) A compound always contains a metal and a nonmetal. b) A compound has variable composition of atoms and molecules. c) A compound contains two or more elements in fixed atomic ratio. d) A compound cannot be broken down into simpler substances by chemical reactions.

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FREE Expert Solution

We are asked to determine the statement that best describes a compound.

Recall that mixtures are combinations of two or more pure substances (elements or compounds)

An element is a chemical substance that is made up of a particular kind of atom and cannot be broken down or transformed by a chemical reaction.

 A compound consists of two or more types of elements held together by covalent or ionic bonds.

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Problem Details

Which statement best describes a compound? 

a) A compound always contains a metal and a nonmetal. 

b) A compound has variable composition of atoms and molecules. 

c) A compound contains two or more elements in fixed atomic ratio. 

d) A compound cannot be broken down into simpler substances by chemical reactions.

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Our tutors have indicated that to solve this problem you will need to apply the Classification of Matter concept. You can view video lessons to learn Classification of Matter Or if you need more Classification of Matter practice, you can also practice Classification of Matter practice problems .

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Based on our data, we think this problem is relevant for Professor Kobko-Litskevitch's class at HUNTER.