John Dalton

What year did he come with his first atomic weight chart?

• 1766
• 1803
• 1850
• 1780

What was John Dalton?

• chemist and meteorologist
• dentist 
• astronaut
• teacher 

He thought atoms were indestructible.

• True
• False

He thought a chemical reaction is a REARRANGEMENT of atoms.

• true
• flase

Who came up with all matter is made up of atoms?

• John Dalton
• Democritus
• Both