limitation of dobernier trait???
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3
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only three traits were recognised from the elements known a that time.
Li. ca. cl
Na. sr. br
k. ba. I
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answer:
Limitations of Dobereiner's classification: Dobereiner could find only three triads; . i.e total of 9 elements only. However the total number of elements were more than that of those encompassed in Dobereiner's Triad.
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