When chemical W is added to a liquid, the chemical breaks down into substances X, Y, and Z. It is not possible to break down substances X, Y, and Z into simpler substances. What conclusion is supported by this evidence?

Respuesta :

X, Y, and Z are elements.

An element is the smallest part of a substance that can exist on its own and can not be broken down into smaller unit.

From the question, W was broken down to give X, Y, Z. All three substances can not be broken down by chemical means.

The fact that X, Y and Z can not be broken down by chemical means implies that they are elements.

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223

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