vice.atomic_number ================== The VICE dataframe: atomic numbers Stores the proton numbers of each recognized element. Stored values are of type ``int``. Indexing -------- - ``str`` [case-insensitive] The symbol of a chemical element as it appears on the periodic table. Item Assignment --------------- This instance of the VICE dataframe does not support item assignment. Functions --------- - keys - todict Example Code ------------ >>> import vice >>> vice.atomic_number['o'] 8 >>> vice.atomic_number['fe'] 26 >>> vice.atomic_number['sr'] 38