All of the following words share the same property. Can you determine what it is?

BUS
BUSY
FISH
FISHY
PICK
PICKY
RUB
RUBY
FIB
SKIN
CIVIC
CHUCK
POISON
INNOCUOUS

Answer:

Every letter in all the words can stand alone as a symbol for a chemical element.

Credit: Joseph Appel 

NOTE: This puzzle was published in the December, 2016 edition of GAMES/World of Puzzles under the title SYMBOL-MINDED.