1)Why does the size of atoms of halogen family decreases down the grou

1.	1)Why does the size of atoms of halogen family decreases down the group?? 2)reactivity of the atoms of halogen family decreases down the group ,why ?? 3)why does the atom of halogen family do not react with water and acids??
Answer» 1)Why does the size of atoms of halogen family decreases down the group?? 2)reactivity of the atoms of halogen family decreases down the group ,why ?? 3)why does the atom of halogen family do not react with water and acids??

1)Why does the size of atoms of halogen family decreases down the group?? 2)reactivity of the atoms of halogen family decreases down the group ,why ?? 3)why does the atom of halogen family do not react with water and acids??

Answer»

1)Why does the size of atoms of halogen family decreases down the group??

2)reactivity of the atoms of halogen family decreases down the group ,why ??

3)why does the atom of halogen family do not react with water and acids??