Play scrabble with the periodic table
05AB1E, 16 bytes
œvyŒ€J})˜Ùvy²Q}O

Explained
œv                # for each permutation of the list of elements
  yŒ              # get all sublist of elements
    €J            # join as strings to form the words possible to spell
      })˜Ù        # convert to list of unique spellable strings
          vy²Q}   # compare each word with input word
               O  # sum giving 1 if the word is found, else 0

Warning: Extremely slow. I recommend testing on a much smaller subset of elements in the online interpreter.
Takes list of elements as first argument.
Takes word to test as second argument.
Returns 1 for true and 0 for false.
Try it online on a small subset of elements