Physics
3919K and 4020Ca are :
- Isotopes
- Isobars
- Radioactive substances
- Isotones
Radioactivity
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Answer
Isotones
Reason — 3919K and 4020Ca are isotones as they both have the same number of neutrons in the nucleus (each having 20 neutrons in the nucleus).
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Related Questions
The atoms of the same element, having the same atomic number Z but different mass number A are called :
- Isotopes
- Isobars
- Isotones
- None of the above
Out of the following, which element has the largest number of isotopes ?
- Hydrogen
- Carbon
- Chlorine
- Tin
Out of the following, radioactive substances are :
- Uranium
- Polonium
- Actinium
- All of the above
The heaviest nuclear radiation is :
- X radiation
- α radiation
- γ radiation
- β radiation