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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
Describe Bohr’s model of the atom.
Name the scientists who described the arrangement of electrons in an atom.
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 true or false. If false, correct the statement.
Smaller the size of the orbit, lower is the energy of the orbit.
Which of the following in Fig. 4.2 do not represent Bohr’s model of an atom correctly?
What are the Limitations of Bohr’s Model?
The scientist who proposed the atomic model based on the quantisation of energy for the first time is ______.
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 ______.
