Which groups of elements,indicated by letter on the periodic table,have two unpaired p electrons in their valence shell? 
Definitions:
Instrumental Component
The practical usefulness or functionality of something as a means to achieve an end.
Curfew
A regulation requiring people to remain indoors during designated hours, typically imposed by a government or authoritative body.
Procedural Justice
The fairness and transparency of the processes that lead to outcomes or decisions.
Status Construction
The process by which social statuses are created, maintained, and transformed through social interactions and structures.
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