Advertisements
Advertisements
Question
An atom with 3 protons and 4 neutrons will have a valency of
Options
3
7
1
4
Advertisements
Solution
1
Explanation -
For the atom n = 4, p = 3, hence e = 3 Distribution of electrons = 2,1
APPEARS IN
RELATED QUESTIONS
Describe Bohr’s model of the atom.
Name the central part of an atom where protons and neutrons are held together.
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.
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?
Bohr's model of atoms ______.
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) ______.
