1) In which year did Bohr propose his quantized shell model of the atom? a) a. He never came up with any model b) In 1456 c) In 1913 d) d. They continue to study the Borh model 2) "The atom will be completely stable in the state with the smallest orbital, since there is no orbital of lower energy to which the electron can jump". a) False. b) True. 3) With which number are the orbits labelled? a) With the number 6,0023. b) With quantum number n. c) Orbits are labelled by proper nouns. d) Orbits are not named, they are simply called orbits. 4) "Planck had introduced his constant in 1909 in a formula explaining the luminous radiation emitted by heated bodies". a) True b) False, it was in 1900. 5) What encouraged Borh to use Planck's constant in the search for a theory of the atom? a) That the dimensions, combined with the mass and charge of the electron, produce a measure of length. Numerical. b) Borh was encouraged that he was going to have a lot of support in the future. c) It encouraged him because in 1976 he would win a related prize. d) Keep trying to encourage yourself in the search for a real theory.

BOHR ATOMIC MODEL

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