Dobereiners Triads

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Dobereiner's Triads are the group of Three elemens in which centeral Atom has Average atomic mass of other two two atoms.9th Chemistry Chapter No 03.Periodic Table. • #dobereiner #9thclass #chemistry #matric • ............................................ ....... • Science with Nawaz,9,10,11,12 Chemistry and Matric physics,Math, Biology lectures will be uploaded step by step IN SHA ALLAH. • M.Nawaz Javed M.Sc (Chemistry),M.Ed,B,Ed • 15 years Matric and F.Sc teaching experience , Contact No 03367300119. • Email [email protected]

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