Question

ug metallic character of elements of IA group and prepare re
the idea of metallic character increases in a group as we move from top to bottom
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Fill in the blanks
Lithium
and potassium constitute a Dobereiner's triad.
was the basis of the classifications proposed by Dobereiner, Newlands and Mendel
Noble gases belongs to
group of periodic table.
The incomplete period of the periodic table is
The element at the bottom of a group would be expected to show
metallic char
han the element at the top.
Multiple choice questions
Without knowing the electronic configurations of the atoms of elements Mendeleeff still -
arrange the elements nearly close to the arrangements in the Modern periodic table. Hov
2. Comment on the position of hydrogen in periodic table. (AST)​

Answer 1

Answer:

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