Multiple Choice
In atomic theory, how did Henry Moseley organize the periodic table compared with earlier arrangements?
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4. Atoms and Elements
Atomic Theory
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In the development of atomic theory, which scientist is most closely associated with the electron cloud (quantum mechanical) model of the atom?
A
Niels Bohr
B
J. J. Thomson
C
Erwin Schrödinger
D
John Dalton
Verified step by step guidance1
Understand that the problem is asking about the scientist most closely associated with the electron cloud (quantum mechanical) model of the atom.
Recall that the electron cloud model describes the probable locations of electrons around the nucleus, rather than fixed orbits.
Identify that Niels Bohr proposed a model with fixed electron orbits, which is different from the electron cloud model.
Recognize that J. J. Thomson discovered the electron but did not develop the electron cloud model.
Know that Erwin Schrödinger developed the quantum mechanical model using wave equations to describe electron probabilities, which is the basis of the electron cloud model.
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