Caesium
From Tardis Wiki, the free Doctor Who reference
According to the Twelfth Doctor, the atomic number of caesium was 55. (TV: Flatline)
According to the Twelfth Doctor, the atomic number of caesium was 55. (TV: Flatline)
This page was last edited on 13 December 2014, at 07:34 (UTC).Last edited: 07:34, 13 December 2014 (UTC)