The answer to this puzzle is a vehicle or a type of transportation. It is created by using simply parts of air, a noble metal and a heavy metal. What is it?

  • 2
    $\begingroup$ There's a separate term "noble metal". Nothing much to do with noble gases. $\endgroup$
    – Gareth McCaughan
    Feb 20, 2017 at 21:07

1 Answer 1


Edit: I've found a better fit.

W - Tungsten, one of the densest metals in the periodic table
Ag - Silver, one of the noble metals
O,N - Oxygen and nitrogen, the two most abundant gases that make up our atmosphere

Assume we're spelling things out with chemical symbols, the only thing even close that I've found so far is


But this isn't a perfect fit:

He and CO can be in the atmosphere, but neither is present in great abundance.
Li doesn't fit any of the clues. This is my biggest problem with this answer.
Pt is a noble metal and fits that clue just fine.
Er is a metal with a high atomic weight, but it's a lanthanide and not what I'd normally think of if someone says a "heavy metal".

  • $\begingroup$ Joe. That is what I had in mind Wagon. Speaking of Periodic Table what is the longest word you can come up with using only Periodic Table abbreviations? $\endgroup$
    – DrD
    Feb 20, 2017 at 22:36
  • $\begingroup$ Some answers to this question --puzzling.stackexchange.com/questions/5456/… -- are over 20 characters. I don't think I'm going to beat those. :-) $\endgroup$
    – Joe
    Feb 21, 2017 at 3:10

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