Atomic Theory: Dalton → Thomson → Millikan → Ruthe...

Help

According to Dalton, what combines in whole-number ratios to form compounds?

Atoms

Which idea from Dalton helped explain why chemical reactions always follow the same proportions?

Atoms combine in fixed ratios

What evidence showed Thomson that the particles in the cathode ray had mass?

They cast a shadow

Unlock this slideshow and over 4 million more with Baamboozle+

Try slideshows