Vocab On Scientists

Front

NOT part of Dalton's atomic theory:

Back

Atoms are always in motion.

Front

Democritus and Dalton did NOT believe that:

Back

the nucleus is in the center of an atom

Front

First to study atomic theory?

Back

Democritus

Front

Dalton's view on electrons:

Back

False

Front

Scientist who viewed the atom as a solid sphere.

Back

John Dalton

Front

Bohr model: Objects in nucleus?

Back

Proton and Neutron

Front

Early ideas of matter: earth, wind, water, fire proposed by

Back

Aristotle

Front

Democritus opposed Aristotle; he believed atoms were indivisible particles called

Back

atomos

Front

JJ Thomson discovered the

Back

electron

Front

Device used by JJ Thomson to discover the electron

Back

cathode ray tube