-   The answer to each clue below is a "chemical compound" -- a word or phrase made of symbols for chemical elements. For example, "inarticulate" is made of indium ("In"), argon ("Ar"), etc.
-   As you fill in each answer, cross out the appropriate symbols from the pool of elements below.
Some of the clues refer to other clues' answers, and some will require out-of-the-box thinking.  

-   At the end, the unused symbols will spell the name of the chemical compound at the bottom -- a compound that some people know out of habit.
-   Hint: The answers are in alphabetical order.
#1 Infamous Chicago tax evader
#2 Baseball's "Sultan of Swat"
#3 Sid, or a salad
#4 #3's #14, for example
#5 Beverage of choice for #3's partner?
#6 Branch of biology dealing with heredity
#7 "Moonlighting," for example
#8 Flying machine first conceived by Leonardo Da Vinci
#9 State capital boasting the only royal #14 in America
#10 Unable to express oneself clearly
#11 50/50, for example
#12 Kind of feast found in #9
#13 European country with a #15, a #14, and a #4
#14 Residence for a #3 or a #15
#15 The artist formerly known as
#16 Frequent halfway point for #2