Atomic Structure JEE Mains Questions. We covered all the Atomic Structure JEE Mains Questions in this post for free so that you can practice well for the exam.
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Atomic Structure JEE Mains Objective Questions for Students
In an atom, the neutron was discovered by
(A) J.J. Thomson
(B) Chadwick
(C) Rutherford
(D) Newton
Option b – Chadwick
Which of the following is not a subatomic particle?
(A) Neutron
(B) Proton
(C) Deuteron
(D) Electron
Option c – Deuteron
Which of the following pairs constitutes particle-antiparticle pair?
(A) Electron-Positron
(B) Proton-Neutron
(C) Photon-Electron
(D) Neutron-Neutrino
Option a – Electron-Positron
The alpha particle carries two positive charges. Its mass is very nearly equal to that of
(A) Two protons
(B) An atom of helium
(C) a Sum of masses of two positrons and two neutrons
(D) Two positrons each positron carries a single positive charge
Option b – An atom of helium
The Nucleus of Helium has
(A) Only one neutron
(B) Two protons
(C) Two protons and two neutrons
(D) One proton and two neutrons
Option c – Two protons and two neutrons
Which of the following is not a part of an atom?
(A) Electron
(B) Proton
(C) Neutron
(D) Photon
Option d – Photon
A single type of atom is found in
(A) Compounds of minerals
(B) a mixture of minerals
(C) Native elements
(D) None of the above
Option c – Native elements
Constituents of the atomic nucleus are
(A) Electron and proton
(B) Electron and neutron
(C) Proton and neutron
(D) Proton, neutron, and electron
Option c – Proton and neutron
Which of the following statement about molecular structure is correct?
(A) Neutrons and electrons are found inside the nucleus and protons revolve around the nucleus
(B) Electrons and proton are inside the nucleus and neutrons revolve around the nucleus
(C) Proton and neutron are inside the nucleus and electrons revolve around the nucleus
(D) Proton, neutron, and electron all are inside the nucleus
Option c – Proton and neutron are inside the nucleus and electrons revolve around the nucleus
The atomic nucleus was discovered by
(A) Rutherford
(B) Dalton
(C) Einstein
(D) Thomson
Option a – Rutherford
We covered all the atomic structure jee mains questions above in this post for free so that you can practice well for the exam.
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