Yumenikkium is a hypothetical element with the atomic number 2555 and the symbol Yk. It is named after the game Yume Nikki.
Appearances[]
Yumenikkium is a Pink Solid at room temperature.
Isotopes[]
Yumenikkium has no stable isotopes. It's most stable isotope is 5110Yk, which has a half life of 17 Years. The rest of Yumenikkium's isotopes has a half life no longer than 13 Years.
Reactions[]
Maliciousium[]
Yumenikkium has a strange reaction with Maliciousium. When reacting to Maliciousium, it will cause an explosion letting out gas that can cause severe brain damage when inhaled.
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