Osl. Which of the following was the earliest attempt of
classification of elements?
(a)Classification of element into metals and non-metals.
(b) Newland's Law of Octaves
(c) Dobereiner's Triads
(d) mendeleet's Periodic table.
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Answer:
(a) classification of element into metal and nonmetal
Answered by
1
Answer:
(a)Classification of element into metals and non-metals.
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