Question

In modern periodic table A andB are two elements belonging to first and seventeenth group respectively and both them is a metal? Write their electronic configuration which of them is a these two elements react with each other

Answer 1

He proposed two characteristics while creating his periodic table. 2- Elements with similar chemical properties were placed in a group. He suggested that the properties of the elements are periodic functions of their atomic masses.

Answer 2

Answer:

In the modern periodic table ti belonging the first group respectively and both configuration which two elements react with other...