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)
... Prime Minister (1960-1972)
February 20 - Alexei Kosygin[?], Premier of the Soviet Union[?] (+ 1980)
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