That is 1 CE = 1 AD, and 2016 CE = 2016 AD. The word common simply means that it is based on the most frequently used calendar system: the Gregorian Calendar. Both measure the number of years before the approximate birthday of Yeshua/Jesus. Designation of a particular year in BC and BCE also have identical values.
Francium is a chemical element with symbol Fr and atomic number 87. It was formerly known as eka-caesium and actinium K. It is the second-least electronegative element, behind only caesium. Francium is a highly radioactive metal that decays into astatine, radium, and radon. As an alkali metal, it has one valence electron. Bulk francium has never been viewed.
Po-210 emits alpha particles and is 5,000 times more radioactive than radium. The half-life of Po-210 is 138 days. Alpha radiation delivers a large amount of energy to living cells and can cause considerable damage and cell death.olonium-210: basic facts and questions. The investigation of the polonium poisoning case in United Kingdom has brought attention to the radioactive material Polonium-210 (Po-210) as a possible public health concern.