The valency of the element having atomic number 9 is

What is the valency of the element with atomic number 36 and mass number 84 ?

The maximum valency of on element having atomic number seven

The valency of an element with atomic number 8 is :

The valency of an element with atomic number 15 is

the maximum valency of an element with atomic number 7 is

Write down the characteristics of the elements having atomic number 17. Valency……………

Write down the characteristics of the elements having atomic number 17 . Electronic configuration ____________ period number _____________ Group number _______________ Element family __________ No . Of valence electrons ___________ valency ____________ metal or non - metal _______________

Write down the characteristics of the elements having atomic number 17. No.of valence electrons…………

What is the number of valence electrons in the atoms of an element having atomic number 13 ? Name the valence shell of this atom.