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 17 February 2015, at 21:36 (UTC).Last edited: 21:36, 17 February 2015 (UTC)