Q. 8. Explain with examples
(iii) Isotopes
Isotopes:
Isotopes are the atoms of the same element having the same atomic number but a different mass number.
Example: Carbon molecule exists as and .
CBSE Class 10 board exams twice a year ‘relief’ or ‘burden’? Parents, schools share mixed views
CBSE Class 10 exams twice a year from 2026; 64.4% students in favor, second attempt optional
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