Question

4. Using your knowledge of elements, compounds

and mixtures, classify the following substances
into the different categories in the table below:
magnesium, air, hydrogen, water, salty water,
iron oxide, chlorine, sulfur, dias cola.
Compound
Element
Mixture
Explain your reason for placing each substance
above in the category you chose.

Answer 1

Element

magnesium, hydrogen, chlorine, sulfur

Compound

water, iron oxide

Mixture

air, salty water , dias cola.

Step-by-step explanation:

Element is made up of only one type of atom and are relresented by symbols.

Compound are formed by chemical mixing of atoms of elements and have a chemical formula

Mixture are formed by simple mixing up of substances and mixture don't have chemical formula.