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Introduction of Atomic Structure

Who among the...

Question

Who among these was the first to theorize the structure of atoms?

A

John Dalton

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B

J.J Thomson

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C

E. Goldstein

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D

James Chadwick

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Solution

The correct option is A
John Dalton

John Dalton theorized the structure of atoms. He proposed that each chemical element is composed of atoms and form more complex elements by the chemical reactions.

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Similar questions

The subatomic particle called electron was discovered by :

(a) J.J. Thomson

(b) Neils Bohr

(c) James Chadwick

(d) E. Goldstein

Which subatomic particle was discovered by:
(i) Chadwick?
(ii) Thomson?
(iii) Goldstein?

Which sub-atomic particle was discovered by

(a) Thomson (b) Goldstein (c) Chadwick.

Q. Match column A (name of the Scientists) with column B (their contributions towards the understanding of the atomic structure).

Column A	Column B
A. Ernest Rutherford	1. Indivisibility of atoms
B. J.J Thompson	2. Stationary orbits
C. Dalton	3. Concept of nucleus
D. Neils Bohr	4. Discovery of electrons
E. James Chadwick	5. Atomic number
F. E Goldstein	6. Neutron
G. Moseley	7. Canal rays

Q. Question 30
Match the names of the Scientists given in Column A with their contributions towards the understanding of the atomic structure as given in Column B.

A B
(a) Ernest Rutherford (i) Indivisibility of atoms
(b) J.J.Thomson (ii) Stationary orbits
(c) Dalton (iii) Concept of nucleus
(d) Neils Bohr (iv) Discovery of electrons
(e) James Chadwick (v) Atomic number
(f) E. Goldstein (vi) Neutron
(g) Mosley (vii) Canal rays

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