Atoms and molecules

Question 1

Atom

Answer 1

The smallest particle of an element (building blocks for everything)

Question 2

Element

Answer 2

A substance that cannot be broken down further and is made of only one type of atom, you will find all of these on periodic tables

Question 3

Compound

Answer 3

A substance created through two or more different elements chemically bonded together (e.g. water)

Question 4

A mixture

Answer 4

A material made up of two or more different substances which are NOT chemically bonded, e.g. salt and flour

Question 5

Molecule

Answer 5

A substance with two or more atoms chemically bonded together, e.g. O2, H20, N2

Question 6

Reactant

Answer 6

The substance that goes into a chemical reaction

Question 7

Product

Answer 7

The product of a chemical reaction

Question 8

Particle

Answer 8

A single piece of matter from an element or a compound, which is too small to be seen. Particles can be atoms, molecules or ions.

Question 9

Dioxide

Answer 9

Two oxygen atoms