Periodic Table & Periodicity

Formulas are organized based on their importance in the CAT exam.
1 Oxidation State Trend
2 Ionization Enthalpy ($$\Delta_i H$$ ) Exceptions
3 Electronegativity Trends in the Periodic Table
4 Lanthanoid Contraction
5 Ionization Enthalpy Trend
6 Electron Gain Enthalpy Trend
7 Hydration Enthalpy Trend
8 Ionic Radius Trend
9 Anomalous Behavior of Second Period
10 Atomic Radius Trend
11 Diagonal Relationship
12 Electronegativity Definition
13 Metallic Character Trend
14 IUPAC Nomenclature for Transuranium Elements ($$Z > 100$$)
15 Electron Gain Enthalpy ($$\Delta_{\text{eg}} H$$) Anomalies
16 Effective Nuclear Charge ($$Z_{\text{eff}}$$) & Shielding
17 Inert Pair Effect
18 Atomic and Ionic Radii Anomalies
19 Electronegativity ($$\chi$$) Scales
20 Ionization Enthalpy Definition
21 Electron Gain Enthalpy Definition