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)
... can have several shades of meaning. At its simplest, it refers to an adherent of a monarch or royal family.
Of the more specific uses of the term, the most commo ...