P-block (for principal, although this orbital has nothing to do with principal quantum number[?]) elements are made up of elements in group 13-18 in the periodic table which all occupy the highest energy orbital, the p orbital. The outer electron shell configurations of all these elements all have the from ns2npx (x=1 to 6)
... several stages of consolidation and modification.
In its older Vedic form, it is a close descendant of Proto-Indo-European, the root of all later Indo-European languages. ...