Give the electonic distribution in an elements with atomic number 15.

Give the electronic configuration of an element having atomic number 11.

Write the electronic configurations for the elements with atomic number 15, 21 and 37. To which blocks in the periodic table do these elements belong ?

Give the electronic configuration of the element. having atomic number 24. having atomic number 29.

Give the name and electrons configuation of element with atomic number 9.

The valency of an element with atomic number 15 is

The sum of number of valence electrons and valency of an element with atomic number 15 is_____.

The sum of number of valence electrons and valency of an element with atomic number 15 is_____.

The group number, number of valence electrons, and valency of an element with atomic number 15, respectively, are :

" The group number,number of valence electrons and valency of an element with the atomic number "15" respectively are "