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Chapter 4 Scientists

Scientists of Chapter 4 of "Chemistry: Connections to our Changing World"
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Thomas Young
Double silt experiment proving matter and energy can display characteristics on waves and particles
Max Planck
Proposed a fundamental restriction on the amounts of energy an object emits or absorbed; quantum of energy
Albert Einstein
Used quantum idea of light to explain the photoelectric effect
Nobel Prize (1921)
Earnest Rutherford
Studied radiation using radioactive elements and electrically charged plates to discover alpha and beta particles and gamma radiation
Neils Bohr
Developed first reasonable electronic structure in the extra-nuclear region
Arthur Compton
Proved the particle nature of light
Louis de Broglie
Matter is composed of particles that are quantized and have dual nature
Wolfgang Pauli
Related electron spin to the arrangement of electrons in the atom
Friedrich Hund
Electrons occupy equal energy orbitals so that a maximum number of unpaired electrons result
Werner Heisenberg
The position and momentum of a moving particle cannot be exactly determined simultaneously