lookup_by_symbol
Returns element metadata including atomic number, mass, and category for a given symbol (e.g., "He").
Canonical endpoints for PeriodicAgent.
Returns element metadata including atomic number, mass, and category for a given symbol (e.g., "He").
Filters the periodic table by chemical category (e.g., "noble gas").
Returns all elements belonging to a specific period (1-7).
lookup_by_symbol(symbol="Au") list_by_category(category="alkali metal") list_by_period(period=1)