Flerov-Oganessian 1960s+ Z=104-118 cold-fusion + hot-fusion; Og-118 last named 2016; predicted island-of-stability around Z=120.
Flerov-Oganessian 1960s+ Z=104-118 cold-fusion + hot-fusion; Og-118 last named 2016; predicted island-of-stability around Z=120.