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About the Periodic Table
Organisation
The periodic table arranges all 118 known elements by increasing atomic number. Elements in the same column (group) share similar chemical properties, while rows (periods) represent filled electron shells.
Element Categories
- 🔴Alkali & Alkaline Earth Metals: Highly reactive s-block metals
- 🟣Transition Metals: d-block metals with variable oxidation states
- 🟢Nonmetals & Halogens: Electronegative p-block elements
- 🩷Noble Gases: Inert, stable electron configurations