Question

Diagrams X, Y and Z represents three different substances.

Identify X, Y and Z. Write two points of difference between them.

Answer 1

X- mixture

Y-compound

Z-element

>Mixture- A substance made by mixing two other substances

>In a mixture the atoms of atom p are combining only with atoms of atom p, same goes for Q

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>Compound- A substance formed from 2 or more elements chemically combined in a fixed proportion

>Different atoms combine together

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> Element- A pure substance consisting of only the same types of atoms

>There are 118 Known elements.