Tiêu đề 10 Sci Periodic Classification Notes.pdf ✅

Needs of classication of elements Dobereniers triads Earlier attempts Newlands octave law Periodic classication of elements Modern periodic table Mendeleev’s Periodic classication Characteristic features Merits Demerits Characteristics featuresPeriods, groups, Position of elements, Electronic conguration, Valence shell, Valence electrons Atomie Size Valency Metallic and Non metallic Character Trends in periodic Modern Table Concept Map 63 Source: EDUDEL For more FREE DOWNLOADS, visit www.aspirationsinstitute.com
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