Discovery
of Electron, Proton and Neutron, atomic number, isotopes and isobars.
Thomson's model and its limitations. Rutherford's model and its
limitations, Bohr's model and its limitations, concept of shells and
subshells, dual nature of matter and light, de Broglie's relationship,
Heisenberg uncertainty principle, concept of orbitals, quantum numbers,
shapes of s, p and d orbitals, rules for filling electrons in orbitals -
Aufbau principle, Pauli's exclusion principle and Hund's rule,
electronic configuration of atoms, stability of half filled and
completely filled orbitals.
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Study Material:
NCERT
NIOS
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Previous year question:
- CBSE
- BSEB
- Maharashtra Higher Secondary Education
- Uttar Pradesh Madhyamik Shiksha Parishad
- WBCHSE
- Directorate of Government Examinations Tamil Nadu
- Board of Secondary Education, Madhya Pradesh
- Karnataka Department of Pre-University Education
- JEE
- NEET
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ANIMATIONS
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Online MCQ Test
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