What information does the electronic configuration of an atom provide?

[prasanna]

The electronic configuration of an element gives

1. Valency of that element.
   ii) Which block does the element belongs to ?
   iii) Which period does the element belongs to ?
   iv) Which group does the element belongs to ?
   v) Reactivity of element.
   vi) Does the element participating in ionic bond or covalent bond or chemically inert ?
   vii) Comparative size of the atom.
   viii) Metallic character of the element.