The element 104 is rutherfordium (Rf).
The element 108 is hassium (Hs).
See the link below.
After IUPAC tables (2009) the atomic weight of hassium is [269].
Between 1994 and 1997 IUPAC named the hassium of today - hahnium (Hn).
The Joint Institute for Nuclear Research (JINR) at Dubna, Russia, proposed the name: kurchatovium (Ku). However, scientists at Lawrence Berkeley Laboratory claimed to have discovered element 104 first and proposed the name: rutherfordium (Rh). IUPAC ended up accepting the name rutherfordium.
The most stable isotopes of rutherfordium are: - atomic mass of 265Rf: 265,116 700 - atomic mass of 267Rf: 267,121 530 Masses after IUPAC recommendations, 2009.
261 amu. ------- The most stable isotopes of rutherfordium are: - atomic mass of 265Rf: 265,116 700 - atomic mass of 267Rf: 267,121 530 Masses after IUPAC recommendations, 2009.
Hassium is a synthetic element with the symbol Hs and atomic number 108.The isotope 265108Hs was the first known synthesized of all,that one has 265 (mass) - 108 (protons) = 157 neutronsIt is just one of the many possible but very unstable isotopes
Preferred IUPAC name: Carbon monoxide
Iupac name of COCl2
The IUPAC name for sodium iodide is sodium iodide.
Ethanol is the IUPAC name. Its archaic everyday name is 'Ethyl alcohol'.
The IUPAC name is a systematic way to name chemical compounds based on their structure. The IUPAC name generator is a tool that can generate the IUPAC name for a given chemical structure.