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प्रश्न
Change in the number of neutrons in an atom changes it to ______.
पर्याय
an ion
an isotope.
an isobar
another element
उत्तर
Change in the number of neutrons in an atom changes it to an isotope.
APPEARS IN
संबंधित प्रश्न
Give one example of a radioactive isotope which is used as a fuel in the reactors of nuclear power plants.
State one use of radioactive isotopes in industry.
Hydrogen has three isotopes written as :
`""_1^1"H"` `""_1^2"H"` `""_1^3"H"`
Explain why :
(i) these isotopes have almost identical chemical properties.
(ii) they are electrically neutral.
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 ?
Which of the following pairs are isotopes ? Give reasons for your choice :
(i) `""_26^58"A"`, `""_28^58"B"` or (ii) `""_35^79"X"`, `""_35^80"Y"`
Define the following form:
Isotope
What are isotopes?
Select the correct answer from the answer in the bracket to complete the sentence.
Isotopes have same _________.
Explain radioactive decay and radioactive isotopes.
How is the radioactivity of a radio isotope affected if it undergoes a chemical change? Give a reason for your answer.
