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J. J. Thomson

A) Electrons are in orbital levels.

John Dalton
B) Atoms are the smallest unit of an element.

Ernest Rutherford
C) Electrons are scattered within the atom.

Niels Bohr
D) Protons are at the center of an atom.

1 Answer

3 votes
John Dalton
B) Atoms are the smallest unit of an element.

J. J. Thomson
C) Electrons are scattered within the atom.

Ernest Rutherford
D) Protons are at the center of an atom.

Niels Bohr
A) Electrons are in orbital levels.
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