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प्रश्न
Name the central part of an atom where protons and neutrons are held together.
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उत्तर
The nucleus is the central part of an atom where protons and neutrons are held together.
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संबंधित प्रश्न
Draw a sketch of Bohr’s model of an atom with three shells.
What are the various letters used by Bohr to represent electron shells in an atom?
In the figure given alongside
(a) Name the shells denoted by A,B, and C. Which shell has least energy
(b) Name X and state the charge on it
(c) The above sketch is of …………. Model of an atom
Give the postulates of Bohr's atomic model
State in brief the drawbacks of Rutherford's atomic model correlating them with the postulates of Bohr’s atomic model.
Explain the postulates of Bohr’s atomic model.
An atom with 3 protons and 4 neutrons will have a valency of
What are the Limitations of Bohr’s Model?
A particle of mass ‘m’ and charge ‘−2q’ is moving around a very heavy particle having charge ‘q’. If Bohr’s model is to be used then the orbital velocity of mass ‘m’ when it is nearest to the heavy particle is (in magnitude) (ε0 = permittivity of free space, h = Planck’s constant) ______.
The angular momentum of electron in hydrogen atom in first orbit is ‘L’. The change in angular momentum if electron is in second orbit of hydrogen atom is ______.
