Each of these elements appears in at least one of the listed chemicals. However, if you are careful, it is possible to select the correct choices so that each element is matched with a compound and each chemical is used only once. Printable PDF for Elemental Compound Puzzle
1) calcium ____ A) amino acid
2) carbon ____ B) auric chloride
3) chlorine ____ C) baking soda
4) copper ____ D) brass
5) fluorine ____ E) bronze
6) gold ____ F) CFCs
7) hydrogen ____ G) DDT
8) iodine ____ H) fool’s gold
9) iron ____ I) glass
10) lead ____ J) graphite
11) magnesium ____ K) hemoglobin
12) mercury ____ L) Indian head penny
13) nitrogen ____ M) iodized salt
14) oxygen ____ N) milk of magnesia
15) potassium ____ O) octane
16) silicon ____ P) ozone
17) sodium ____ Q) periodic acid
18) sulfur ____ R) quicksilver
19) tin ____ S) solder
20) tungsten ____ T) Tums
21) zinc ____ U) wolfram
Enter your students’ correct solutions into a draw on or before May 1, 2019. The prize is Glow-Bright Concentrate to be awarded to the student and teacher. The prize is donated by Educational Innovations. Please have your students print their names clearly and send your students’ solutions to: Chem 13 News, Elemental compounds puzzle, Department of Chemistry, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada; or email kjackson@uwaterloo.ca.