Question

all the members in A group in long form of periodic table have the same​

Answer 1

Answer:

The elements of a same group in modern periodic table has same valency as they have same number of valence electrons. Hence, exhibit similar chemical properties.

Answer 2

Answer:

All members of a particular group have analogous outermost (valence) electron configurations, suggesting that all members of a group should show a family relationship in the types and numbers of the chemical bonds.

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