which molecule or ion needs only two resonance structures to describe its bonding
Resonance (chemistry) The ozone molecule is represented by two resonance structures. In reality the two terminal oxygen atoms are equivalent and the hybrid structure is drawn on the right with a charge of − 1⁄2 on both oxygen atoms and partial double bonds with a full and dashed line and bond order  1 1⁄2.[15][16]
Nandalal Bose He was given the work of illustrating the constitution of India
Dan Humphrey Five years later, Dan and Serena get married, surrounded by their closest friends and family.
Marriage license Today, they are a legal requirement in some jurisdictions and may also serve as the record of the marriage itself, if signed by the couple and witnessed.