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Questions
What are isotopes?
Define an ‘isotope’.
Solution
Isotopes: “Atoms of the same element having same atomic number, different mass number and similar chemical properties.”
Example: \[\ce{^35_17Cl}\] and \[\ce{^37_17Cl}\] are the isotopes of chlorine
\[\ce{\underset{\text{Protium}}{^1_1H,} \underset{\text{Deuterium}}{^2_1H,} \underset{\text{Tritium}}{^3_1H}}\] are isotopes of element hydrogen.
RELATED QUESTIONS
Give any two uses of isotopes.
Isotopes of an element have ______.
Fill in the blanks of the following statement :
An atom of an element has 11 protons, 11 electrons and 12 neutrons. The atomic mass of the atom is ___________.
State one use of radioactive isotopes in medicine.
Explain why `""_1^3"H"` and `""_2^3"H"` are not considered isotopes.
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.
Name or state the following.
The three isotopes of hydrogen.
Change in the number of neutrons in an atom changes it to ______.
Distinguish isotopes from isobar.
Distinguish isotopes from isobar.
