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 30 October 2014, at 17:42 (UTC).Last edited: 17:42, 30 October 2014 (UTC)