Question

State two characteristics shared by elements of the same group in the periodic table?

Answer 1

Answer: same number of valence electron

valency

chemical properties

Explanation:

Answer 2

Two characteristics shared are

1. Oxidation number : all groups generally have a common oxidation number which are exhibited by all the members of the group. e.g. +1 for alkali metals, +2 for alkaline earth metals
2. Number of valence electrons: all the members of a group have the same number of valence electrons.
3. Show similar chemical properties