Have a great month of May

It’s finally the start of a new month: a month when we celebrate mothers of all ages and commemorate the fallen men/women of the armed forces. Many great minds of the past, from Dorothy Hodgkin to Richard Feynman, were born in May. I hope the next 31 days will be filled with prosperity and happiness for everyone.

If you find yourself needing a break from work, here’s a little chemistry brainteaser that I came across. Despite what your academic training may tell you, try not to search past literature for the answer:

There are quite a few countries whose names can be spelled with symbols from the periodic table (capitalization is irrelevant). However, there is only one pair of countries whose names differ by a single element. What are they?


  1. Schrödinger says:

    UK and US was my first guess, but then IReLaNd and ICeLaNd are probably the ones you’re looking for.

  2. willandbeyond says:

    Wow, I got that amazingly quick. Nice one!

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