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)
... living together, 17.0% have a female householder with no husband present, and 15.9% are non-families. 13.0% of all households are made up of individuals and 5.2% have ...