Who proposed that electrons move around the nucleus in circular orbits?
Niels Bohr
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15
Which scientist proposed that all matter is composed of atoms, which he assumed were indivisible and indestructible building blocks of nature.
John Dalton
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Ernest Rutherford discovered that atoms were mostly
Empty space
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This model was the first to show a nucleus, consisting of protons and neutrons. Electrons surround the nucleus but are not shown in distinct energy levels.
Planetary model or Rutherford's model
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Who were the scientists that proposed a highly dense nucleus surrounded by electron clouds?
Schrodinger, Heisenberg and Louis De Broglie
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In the atomic model nicknamed the "plum pudding" model, what do the plums represent?
Electrons
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Other team wins 15 points!
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15
Which model was created after the discovery of the electron cloud?
C
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Who was the first to propose that matter consist of indivisible particles of matter called atoms?
Democritus
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What is the meaning of the greek word "atomos"?
Indivisible or uncuttable
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In the model nicknamed "the solar system model" what are the electrons like?
