History of the Atom

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History of the Atom

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Question 1 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER]
Who was the first person to come up with the Atomic Theory?
A
John Dalton
B
Democritus
C
Ernest Rutherford
D
Niels Bohr
Question 2 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER]
The positive particles of an atom are
A
electrons
B
positrons
C
neutrons
D
protons
Question 3 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER]
Which one of the following is the correct order of scientific contribution of the atom?
A
Chadwick, Dalton, Bohr, Rutherford, Democritus,Thomson
B
Thomson, Democritus,Rutherford, Bohr, Dalton ,Chadwick
C
Dalton, Chadwick ,Bohr, Rutherford, Democritus,Thomson
D
Democritus, Dalton, Thomson, Rutherford, Bohr, Chadwick
Question 4 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER]
Which one of the following parts of the atom is the smallest?
A
electron cloud
B
electron
C
nucleus
Question 5 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER]
Who discovered that the nucleus contains positively charged particles called protons?
A
Ernest Rutherford
B
James Chadwick
C
Democritus
D
Niels Bohr
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