Noun(1) a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead
(1) All isotopes of protactinium are radioactive.(2) A protactinium - 234 atom has 91 protons and 143 neutrons.(3) Along the way, these disintegration series produce radioactive isotopes of protactinium , thorium, actinium, radium, francium, radon, astatine, polonium, bismuth, lead, thallium and mercury.(4) The dates of discovery of these elements as 1789 for uranium, 1829 for thorium, 1899 for actinium and 1913 for protactinium .(5) A new method of radioactive tracing involves the use of a new clock, based on the radioactive decay of uranium - 235 to protactinium - 231.
English to Thai Dictionary: protactinium
Meaning and definitions of protactinium, translation in Thai language for protactinium with similar and opposite words. Also find spoken pronunciation of protactinium in Thai and in English language.
Tags for the entry "protactinium"
What protactinium means in Thai, protactinium meaning in Thai, protactinium definition, examples and pronunciation of protactinium in Thai language.