Q. 1. Name the three sub-atomic particles of an atom.
The three sub-atomic particles of an atom are :
1. Electron: a negatively charged particle
2. Proton: a positively charged particle
3. Neutron: a neutral particle
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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