Chemistry
Grade-9
Easy
Question
___________ are atoms that have the same atomic number but a different mass number.
- Isobars
- Isotones
- Isotopes
- Isomers
Hint:
Isotopes have same number of protons.
The correct answer is: Isotopes
- Isotopes are atoms that have the same atomic number but a different mass number.
- Protium, deuterium, tritium are isotopes of hydrogen.
- Oxygen-16, oxygen-17, oxygen-18 are isotopes of oxygen.
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