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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.
Describe Bohr’s model of the atom.
Compare all the proposed models of an atom given in this chapter.
Describe Bohr's model of the atom. How did Neils Bohr explain the stability of 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
State in brief the drawbacks of Rutherford's atomic model correlating them with the postulates of Bohr’s atomic model.
An atom with 3 protons and 4 neutrons will have a valency of
Which of the following in Fig. 4.2 do not represent Bohr’s model of an atom correctly?
Niels Bohr was Born on ______.
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) ______.
