Atomic History

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Atomic History

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Question 1 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER]
What is the correct order of scientists in order of their work related to the atomic theory from earliest to most recent?
A
Neils Bohr, Ernest Rutherford, JJ Thomson, John Dalton, & Democritus
B
JJ Thomson, John Dalton, Neils Bohr, Ernest Rutherford, & Democritus
C
Democritus, John Dalton, JJ Thomson, Ernest Rutherford, and Neils Bohr
D
John Dalton, Neils Bohr, JJ Thomson, Democritus, & Ernest Rutherford
Question 2 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER]
Discovered particles in the nucleus of atoms, neutrons
A
Niels Bohr
B
Ernest Rutherford
C
J.J. Thomson
D
James Chadwick
Question 3 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER]
What were J. J. Thomson's three contributions to the atomic theory?
A
Discovered the electron
B
Discovered the nucleus -did the gold foil experiment
C
correctchoice Used the cathode ray tube in his discovery
D
correctchoice Created the "plum pudding" model of the atom
Question 4 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER]
What were John Dalton three contributions to atomic history?
A
Created the atomic theory
B
Discovered that the atom is mostly empty space
C
correctchoice Believed that atoms of a given element are identical
D
correctchoice Hypothesized that the atom is a tiny, hard sphere
Question 5 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER]
Who was the first contributor to the atomic theory?
A
John Dalton
B
Ernest Rutherford
C
JJ Thompson
D
Democritus
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