Question

17. One of the strengths of Mendleev's Periodic table was
(1 Point)
When Noble gases were discovered they could be placed in new group without disturbing the existing
order
A.As electronic configuration of hydrogen resembled that of alkali metals and it formed compounds with
similar formulae as alkali metals, it was placed along with group I elements
B.The sequence of atomic masses were inverted so that elements with similar properties could be grouped
together
C.As elements were arranged according to their increasing atomic masses, even the heavier elements could
be assigned specific positions in the table​

Answer 1

Answer:

cAs elements were arranged according to their increasing atomic masses, even the heavier elements could be assigned to specific position in the table

Answer 2

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