Chemsitry EXAM 2 (scientists)
Cards (15)
- Claimed that matter was made of small hard particles
- Atoms are indivisible
- Atoms are smallest piece of matter
- Viewed atoms as tiny solid balls
- Atoms of the same element are exactly alike
- Created first atomic model
- Atom made of even smaller things
- Known as 'raisin bun' model
- Atom is made of positvely charged pudding-like material
- Contains negatively charged atoms called ''corpuscles''
- an atom is mostly a empty space with a dense, positvely charged nucleaus in the center
- Discovered protons and the nucleaus
- Showed that atoms had positve particles in the center
- electrons move around the nucleaus in specific layers or shells
- Discovered atoms with no charged are called 'neutrons'