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प्रश्न
Give one use each of the following radioactive isotopes :
(a) Uranium-235
(b) Cobalt-60
उत्तर
(a) Uranium-235:
It is used as a fuel in nuclear reactors of nuclear power plants for generating electricity.
(b) Cobalt-60:
It is used in the treatment of cancer cells.
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संबंधित प्रश्न
Give any two uses of isotopes.
Give one example of a radioactive isotope which is used as a fuel in the reactors of nuclear power plants.
What is the relationship between an atom containing 11 protons, 11 electrons and 11 neutrons, and another atom containing 11 protons, 11 electrons and 12 neutrons?
What is the reason for the different atomic masses of the isotopes of an element ?
The isotopes of an element contain :
The number of protons, neutrons and electrons in particles A to E are given below :
| Particle | Protons | Neutrons | Electrons |
| A | 17 | 18 | 17 |
| B | 3 | 4 | 2 |
| C | 18 | 22 | 18 |
| D | 17 | 20 | 17 |
| E | 9 | 10 | 10 |
Giving reasons, find a pair of isotopes from the above particles.
According to Dalton’s Atomic Theory, atoms of the same element are identical in all respects. But according to the Modern Atomic Theory, this postulate is proved wrong. Explain.
Change in the number of neutrons in an atom changes it to ______.
In two isotopic species, a number of protons is the same but the number of ______ is different.
Distinguish isotopes from isobar.
