Question

Give a sutiable law of illustration of dobereinars law of traids

Answer 1

Answer:

law of traids means

1. the elements are arranged in acemding order according to their atomic mass
2. the average of first and the third element is equal to the average of 2nd element

Answer 2

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Dobereiners Law of triads stated that the average of the first and third elements' atomic masses is the atomic mass of the second element

Some examples of Dobereiner triads is :

Li, Na, K   (Lithium, Sodium, Potassium)

Atomic mass of :

1. Li = 6
2. Na = 23
3. K = 40

Therefore by Dobereiner's Law of triads,

Average atomic mass of Lithium and Potassium = Atomic mass of Sodium

Average atomic mass of Lithium and Potassium = (6+40)/2

                                                                                    = 46/2

                                                                                    = 23 = Mass of Na

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