Advertisements
Advertisements
Question
Define free electrons.
Advertisements
Solution
Electrons in outer orbits are weakly bound with the nucleus. In solids these weakly bound electrons leave their individual atom and become a part of it. These electrons are known as free electrons.
RELATED QUESTIONS
What do you mean by Mass number.
Give the relative ionizing power of α, β and γ radiations.
A radioactive nucleus `""_"Z"^"A"` X first emits a beta particle and then an alpha particle to give the resulting nucleus `""_"Q"^"P"` Y What will be the values of P and Q in terms of A and Z?
Are all the radiations viz. α, β and γ emitted in a single radioactive decay?
Which part of the atom undergoes a change in the process of radioactive decay?
Explain, why radium paint, consisting of zinc sulphide and a trace of radium salt, glows in the dark?
Mention one important function of ear main parts:
State the principle on which the functioning of a nuclear reactor is based.
Assertion (A): The force of repulsion between atomic nucleus and α-particle varies with distance according to inverse square law.
Reason (R): Rutherford did α-particles scattering experiment.
In beta decay, what particles can the nucleus emit?
