Friday 22 March 2013

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

00:58    1 comment

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

What's the next in the sequence ?

1 comments:

  1. Mushtaq ahmad23 March 2013 at 21:47

    Fm.

    These are the chemical elements whose atomic numbers are perfect squares.

    1, 4, 9, 16, 25, 36, 49, 64, 81, 100.

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