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 19 April 2017, at 21:11 (UTC).Last edited: 21:11, 19 April 2017 (UTC)