2 POINTS

John Dalton (1766-1844)
Dalton’s Atomic Theory:
– Elements made up of atoms
– Atoms of same element are identical in size, mass, other attributes
– Atoms can’t be divided
– In chemical reactions, atoms are combined

4 POINTS

– Husband and wife French physical chemists
– Discovered the new radioactive isotopes prepared artificially
– Awarded with a Nobel Prize in 1935

3 POINTS

– Together, awarded with a Nobel Prize in Physics in 1903

– Discovered polonium and radium

3 POINTS

– The British Scientist who discovered the neutron in 1932 and won the Nobel Prize in 1935

– Was the leader of the British team in the Manhattan Project to create the world’s first nuclear bomb

4 POINTS

– Husband and wife French physical chemists
– Discovered the new radioactive isotopes prepared artificially
– Awarded with a Nobel Prize in 1935

William Crookes:(1832-1919)
– British Chemist and Physicists
– Discovery of the element thallium – 1861 discovered weight of element
– Invented the radiometer
– Discovered principles of Crooks radiometer-converts light radiation into rotary motion