Structure of Atom · Class 11 Chemistry · Chapter 2
⚗️ Structure of Atom
CBSE Class 11 Science · Chemistry · Chapter 1
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📖Notes Deck
Full lecture deck with teaching paragraphs, misconception red-boxes, and glossary. Read this first.
Download PDF →📝Quick Drill
15 pattern-tagged MCQs with per-Q time budget. Drill under a 20-min timer.
Download PDF →📄Exam Paper
Full exam-pattern paper with sections. Sit it closed-book before checking the marking scheme.
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Download PDF →⚡Cheat Sheet
1-page exam-day card: key points, top question patterns, 90-minute revision flow.
Download PDF →👨👩👧For Parents
1-page plain-language parent guide: what's being learned + questions to ask your child.
Download PDF →Top question patterns · CBSE annual / SQP aggregate
| 90% | H-spectrum line wavelength calc (Balmer / Lyman) — Use Rydberg with correct n1| 3 MARKS | |
| 75% | Bohr's postulates / limitations — 3 postulates + 3 limitations — bullet form | 3 MARKS |
| 70% | Four quantum numbers for last electron — Write config → identify last e- → read n,l,m_l,m_s | 2 MARKS |
| 55% | de Broglie / Heisenberg numerical — Plug constants in SI units; show working | 2 MARKS |
| 50% | Photoelectric / Einstein equation numerical — h*nu = W0 + KE; convert eV<->J once | 3 MARKS |
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