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प्रश्न
Define bound electrons.
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उत्तर
As nucleus is positively charged it strongly attracts the negative charged electrons. The electron orbit close to the nucleus are tightly bound by strong attractive force of nucleus. These electrons are known as bound electrons.
संबंधित प्रश्न
An element `""_ZS^A` decays to `""_85R^222` after emitting 2 α particles and 1 β particle.
Find the atomic number and atomic mass of the element S.
State two dissimilarities between the γ-rays and X-rays.
Give the relative ionizing power of α, β and γ radiations.
A certain nucleus A (mass number 238 and atomic number 92) is radioactive and becomes a nucleus B (mass number 234 and atomic number 90) by the loss of one particle.
What particle was emitted?
How is a cathode ray beam affected while passing through an electric field?
Name a common device where a hot cathode ray tube is used.
What is the value of the speed of gamma radiations in air or vacuum?
The count rate of activity of a radioactive sample of a very large population decreased from 1024 to 128 in 3 minutes. Then the rate of disintegration at the end of 5 minutes is ______.
