Atomic Theory - The Scientists

Which scientist discovered the nucleus

• John Dalton

• JJ Thomson

• Ernest Rutherford

• Niels Bohr

Which scientist thought there were 4 elements: fire, earth, air and water?

• Democritus

• Aristotle

• John Dalton

• Niels Bohr

Which scientist discovered the electron?

• John Dalton

• JJ Thomson

• Ernest Rutherford

• Niels Bohr

Which scientist is known for the plum pudding or chocolate chip cookie or blueberry muffin model?

• Democritus

• John Dalton

• JJ Thomson

• Ernest Rutherford

Which scientist was the first to state that matter was made of atoms?

• Democritus

• Aristotle

• JJ Thomson

• Ernest Rutherford

Which scientist believed that electrons orbited around the nucleus in "shells"?

• John Dalton

• JJ Thomson

• Ernest Rutherford

• Niels Bohr

Which scientist is known for the Gold Foil experiment?

• John Dalton

• JJ Thomson

• Ernest Rutherford

• Niels Bohr

Which scientist is known for the cathode ray experiment?

• John Dalton

• JJ Thomson

• Ernest Rutherford

• Niels Bohr

Which scientist's theory was disregarded by Aristotle and not believed again for over 2000 years?

• Democritus

• John Dalton

• JJ Thomson

• Ernest Rutherford

Which scientist's theory states that atoms cannot be created, destroyed or divided?

• John Dalton

• JJ Thomson

• Ernest Rutherford

• Niels Bohr

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