Class 9 Exam > Class 9 Questions > Match the following with correct response.(1)...
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Match the following with correct response.
(1) Electron
(2) Proton
(3) Neutron
(4) Atomic nucleus
(A) E. Goldstein
(B) Rutherford
(C) James chadwick
(D) J.J.Thomson
(1) Electron
(2) Proton
(3) Neutron
(4) Atomic nucleus
(A) E. Goldstein
(B) Rutherford
(C) James chadwick
(D) J.J.Thomson
- a)1-B, 2-D, 3-A, 4-C
- b)1-A, 2-C, 3-B, 4-D
- c)1-C, 2-B, 3-D, 4-A
- d)1-D, 2-A, 3-C, 4-B
Correct answer is option 'D'. Can you explain this answer?
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Most Upvoted Answer
Match the following with correct response.(1) Electron(2) Proton(3) Ne...
The correct match of the given terms with their respective scientists is as follows:
Electron: J.J. Thomson
Proton: Ernest Rutherford
Neutron: James Chadwick
Atomic nucleus: E. Goldstein
Explanation:
- J.J. Thomson: He discovered the electron using cathode ray experiments. He proposed the "plum pudding" model of the atom, in which electrons were embedded in a positively charged sphere.
- Ernest Rutherford: He conducted the famous gold foil experiment, which led to the discovery of the atomic nucleus. He proposed the nuclear model of the atom, in which a small, dense, positively charged nucleus is surrounded by orbiting electrons.
- James Chadwick: He discovered the neutron, a subatomic particle with no charge. His experiments provided evidence for the existence of neutrons in the atomic nucleus.
- E. Goldstein: He discovered the canal rays, which were positively charged particles. His experiments led to the identification of the atomic nucleus as the source of positive charge in an atom.
Therefore, the correct match is option D: 1-D, 2-A, 3-C, 4-B.
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Community Answer
Match the following with correct response.(1) Electron(2) Proton(3) Ne...
Explanation:
Electron:
- Discovered by J.J. Thomson.
- Negatively charged subatomic particle.
- Orbits the nucleus of an atom.
Proton:
- Discovered by E. Goldstein.
- Positively charged subatomic particle.
- Found in the nucleus of an atom.
Neutron:
- Discovered by James Chadwick.
- Neutral subatomic particle.
- Found in the nucleus of an atom.
Atomic nucleus:
- Discovered by Ernest Rutherford.
- Central part of an atom.
- Contains protons and neutrons.
Therefore, the correct match is 1-D, 2-A, 3-C, 4-B.
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