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CHEMISTRY
G © VICTORY 2.0 2026 CLASS 10" & Periodic Properties, and variations of Properties wiweem LECTURE-1 | BY-BHARTI MA’AM TOPICS TO BE COVERED ii Modern Pexrtodtc table (Treks) Gixoup , Pertods, Block @ Periodic Table of the Elements IS (4 je a sal Mill Bai Lei f Jevereeresens ee Que La Ac ae f Blocix Elements P NAGY Q) Te lanthenotd Sewes = l4 elements IZ No Flock Actinide Aswan =\Y Elements MODERN PERIODIC TABLE Ants octomic Number tt Modern Periodic Law: x The properties of elements are the periodic function of their atomic numbers, Properties of elements depend upon their electronic CORNQUIOUOGH: Bech ow wa St on br hae iroet oko Togek Na Teh ot he Cee No it Ne. \Y (2,%,1) Cterad no: of p*) dn a neutral atom Vio- of pt 7 According to Modern periodic table. The properties of elements are periodic function of their a Both (2) and (3) 2 Atomic mass BY s:omic number 4 Valency Boron Family qs Atomic no > Joo y Tupne Syst ss fae Aloo, (Haya in khalla Colass u™ ) fz bts bts bie hfe te | Nitrogen Family or Pnictogens beet) meen! Patek ss Ratios = Sab | Biman me Jk an orgy foi {Gp ore kaye Element = a eake oy ax : _ le He He He He He | 6 At: noi Ql to30} DESCRIPTION OF GROUPS [Samadaemuetanas Hegane Representative El eri Family of Elements Bink Groups p-Block Representative Elements 7 |1and2 (left) 13 — 18 (Right) Alkali Metals 1 Y Alkaline Earth Metals 2 = Boron Family | al Carbon Family 144 Nitrogen Family/Pnictogens 1S 37. Chalcogens 16 ¥ Halogen 17 7 Inert gases 18 ¥ Transition Elements 3, 4,5, 6,7, 8,9, 10, 11, 12 DESCRIPTION OF GROUPS | Ab Family of Elements Info rs EE a ea RY Re MTS RENT RENE ERY 6 BO Lanthanides Group 3 and period 6 Actinides Group 3 and period7 ~ Typical Elements Period 3 ~ Ped 
