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प्रश्न
An atom with 3 protons and 4 neutrons will have a valency of
पर्याय
3
7
1
4
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उत्तर
1
Explanation -
For the atom n = 4, p = 3, hence e = 3 Distribution of electrons = 2,1
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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.
Name the scientists who described the arrangement of electrons in an atom.
Name the central part of an atom where protons and neutrons are held together.
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
State in brief the drawbacks of Rutherford's atomic model correlating them with the postulates of Bohr’s atomic model.
State true or false. If false, correct the statement.
Smaller the size of the orbit, lower is the energy of the orbit.
Bohr's model of atoms ______.
