Elements, Compounds, Mixtures

Question 1

Define element

Answer 1

An elemental substance is made up of the same type of atoms.

There are 118 types of atoms, hence 118 elements.

Question 2

Define compounds

Answer 2

Compounds are made up of more than 1 type of atom.

E.g H2O, CO2, C6H12O6

Question 3

Define mixtures

Answer 3

Combination of 2 or more substances which do not chemically react together

E.g Air, water, food, drink