Search results
Results from the WOW.Com Content Network
Oganesson is a synthetic chemical element; it has symbol Og and atomic number 118. It was first synthesized in 2002 at the Joint Institute for Nuclear Research (JINR) in Dubna , near Moscow, Russia, by a joint team of Russian and American scientists.
Oganesson Essential but potentially toxic elements Elements that are nutritionally essential for animal or plant life but which are considered toxic metals in high doses or other forms include cobalt (Co), copper (Cu), iron (Fe), magnesium (Mg), manganese (Mn), molybdenum (Mo), selenium (Se), and zinc (Zn).
Oganesson is expected to be rather like silicon or tin in group 14: [53] a reactive element with a common +4 and a less common +2 state, [54] [55] which at room temperature and pressure is not a gas but rather a solid semiconductor. Empirical / experimental testing will be required to validate these predictions.
Oganesson is almost impossible to produce and with a very short half life, it is generally not readily available for purchase. References and notes This ...
Oganesson is expected to be a very poor "noble gas" and may even be metallised by its large atomic radius and the weak binding of the easily removed 7p 3/2 electrons: certainly it is expected to be a quite reactive element that is solid at room temperature and has some similarities to tin, as one effect of the spin–orbit splitting of the 7p ...
Oganesson: Z > 92 (U) The transuranium (or transuranic) elements are the chemical elements with atomic number greater than 92, which is the atomic number of uranium.
Oganesson: pnictogens ← ... Polonium is dangerous as an alpha particle emitter. If ingested, polonium-210 is a million times as toxic as hydrogen cyanide by weight; ...
The configurations of the elements in this table are written starting with [Og] because oganesson is expected to be the last prior element with a closed-shell (inert gas) configuration, 1s 2 2s 2 2p 6 3s 2 3p 6 3d 10 4s 2 4p 6 4d 10 4f 14 5s 2 5p 6 5d 10 5f 14 6s 2 6p 6 6d 10 7s 2 7p 6. Similarly, the [172] in the configurations for elements ...