You are watching: Which of the following is a possible noble gas notation?
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In the covering atomic model, electron occupy different energy levels, or shells. The K and L shells are displayed for a neon atom.
Screened from the nucleus by intervening electrons, the outer (valence) electrons of the atom of the more heavier noble gases are organized less firmly and can be removed (ionized) more easily indigenous the atom than have the right to the electrons of the lighter noble gases. The energy required because that the remove of one electron is called the very first ionization energy. In 1962, while functioning at the college of british Columbia, british chemist Neil Bartlett found that platinum hexafluoride would eliminate an electron native (oxidize) molecular oxygen to form the salt
See more: Ch4+O2=Co2+H2O - ((Ch4)) + O2 = Co2 + H2O
In 2006, researchers at the share Institute for Nuclear research study in Dubna, Russia, announced that oganesson, the next noble gas, had been made in 2002 and 2005 in a cyclotron. (Most facets with atomic numbers higher than 92—i.e., the transuranium elements—have to be made in fragment accelerators.) No physics or chemistry properties of oganesson can be directly determined since only a few atoms the oganesson have been produced.