PERIODIC TABLE
Law of Triads - Dobereiner
Law of Octaves - John Newlands
Periodic law - Mendeleeff's
Modern periodic table- HJ Mosley
Atomic radius increases in groups and decreases in periods
Ionisation energy increases in groups and decreases in periods
Electron Affinity increases in groups and decreases in periods
Electronegativity increases in groups and decreases in periods.
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Tags: PERIODIC TABLE, Periodic Table, Dobereiner law of triads, John Newlands law of Octaves, Mendeleeff's periodic table, modern periodic table, HJ Mosley,
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