1 abr 1808 ano - John Dalton

Descrição:

Theory includes the following:

• All matter is made of small particles called atoms.

• Atoms are indivisible.

• Atoms cannot be created or destroyed in chemical reactions.

• All atoms in an element are identical, but different elements each have atoms that differ in mass and size.

• Chemical reactions can change the arrangement of atoms.

• Atoms can be combined to create chemical compounds.