Classification of Elements and Periodicity in Properties — Class 11 CBSE Chemistry revision notes
A 6-page visual revision sheet for Classification of Elements and Periodicity in Properties, written for Class 11 CBSE Chemistry. Formulas, diagrams and the traps that cost marks, laid out to be read the night before rather than the term before. Free, and it opens inside CapCompass.
What this Classification of Elements and Periodicity in Properties sheet covers
- A quick history, before Mendeleev
- The modern periodic law
- How many elements per period
- Period 1
- Periods 2 & 3
- Periods 4 & 5
- Periods 6 & 7
- s, p, d, f blocks
- Atomic radius
- Across a period (left → right)
- Down a group (top → bottom)
- Ionic radius
- Cations vs their parent atom
- Anions vs their parent atom
- Ionization enthalpy
- Where ionization enthalpy dips
- Electron gain enthalpy
- The halogen anomaly
- Electronegativity
- Metallic vs non-metallic character
- Valence and oxidation states
- Symbols & terms
- Traps that cost marks
- Tricks that save time
How CapCompass uses this sheet
These notes are not a standalone PDF. CapCompass plans Chemistry chapter by chapter against your real exam dates and free hours, and when the plan reaches Classification of Elements and Periodicity in Properties the sheet opens inside the study block itself — at the page covering the sub-topic that block is on, with the timer still running. Revision arrives at the moment the plan says revise, instead of having to be gone looking for.