Atomic Theories

According to John Dalton, all substances are made up of:

• Molecules

• Atoms

• Protons

• Neutrons

Dalton believed that atoms could be:

• Created and destroyed

• Divided into smaller particles

• Neither created nor destroyed

• Changed into protons

Dalton suggested atoms of the same element are:

• Identical

• All different

• Negatively charged

• Unstable

Dalton’s atomic model is also known as:

• Plum pudding model

• Planetary model

• Solid sphere model

• Electron cloud model