Q.

Which important property did Mendeleev use to classify the elements in his periodic table?

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a

Atomic weight

b

Atomic number

c

Melting point

d

None of the above

answer is A.

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Detailed Solution

Mendeleev's used atomic weight as the basis of classification of elements in the periodic table. He arranged 63 elements known at that time in the periodic table on the basis of the order of their increasing atomic weights and he placed elements with similar nature in same group.
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