please send me the notes of chapter 5 and 6 of chemistry of class 10
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I hope 6th lesson will help you
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aritrimandal:
I didn't told you please don't mind
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Explanation:
dobernier triad:in 1817,johann Wolfgang dobernier tried to arrange the elements with similar properties into groups.Dobernier showed that when the three elements in a triad were written in a order of increasing atomic masses.
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