Periodic Table ??? Chemistry Short Notes

Periodic Table — Key Concept

Atomic number: The number of protons in an atom’s nucleus, determining its identity as an element and its place in the table.

Electron configuration: The arrangement of electrons in an atom’s orbitals, influencing its chemical behavior.

Periodic trends: Properties like atomic size, ionization energy, electronegativity, and metallic character exhibit predictable patterns across the table.

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