Quiz 2 Scientists Flashcards
(12 cards)
Discovered x-rays
Roentgen
Row row row your bow
Discovered alpha and beta rays and disproved the plum pudding model
Rutherford
Discovered radioactivity
Becquerel
Discovered neutrons
Chadwick
Discovered polonium and radium
Curie
Discovered cathode rays could be bent by a magnet, so decided to call them radioactive matter
Crookes
Announced that cathode rays are made out of negatively charged particles called electrons
JJ Thompson
Discovered gamma rays
Villiard
Determined mass of an electron
Millikan
Thompson model of an atom
JJ Thompson
Generalized Rutherford-Soddy proposal into group displacement laws
Rutherford
Thought atom was a sphere of positive charges containing rotating rings of elections
JJ Thompson