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प्रश्न
What is the reason for the slightly different physical properties of all the isotopes of an element ?
उत्तर
The mass numbers of the isotopes of an element are slightly different. So, the physical properties of isotopes are slightly different from each other.
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संबंधित प्रश्न
Isotopes of an element have ______.
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?
Atom A has a mass number 209 and atomic number 82.
Atom B has a mass number 209 and atomic number 83.
(i) How many protons atom A has ?
(ii) How many protons atom B has ?
(iii) Are atoms A and B isotopes of the same element ?
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.
What are isotopes? With reference to which fundamental particle do isotopes differ? Give two uses of isotopes.
Identify the pairs which are not of isotopes?
(i) 126X, 136Y
(ii) 3517X, 3717Y
(iii) 146X, 147Y
(iv) 84X, 85Y
In two isotopic species, a number of protons is the same but the number of ______ is different.
U-235 Isotope is used as ______.
Explain radioactive decay and radioactive isotopes.
