list any two properties of the elements belonging to the first group of the modern periodic table
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@they have a valency equal to 1.
@and have increasing no.of shells.
@Atomic radii increases
@and have increasing no.of shells.
@Atomic radii increases
nitharshan:
the number of shell increases down the group
they dont have one shell
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the atomic radius increases down the group
the valency of all the elements in a group is same
the number of shells increases down the group
the valency of all the elements in a group is same
the number of shells increases down the group
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