Superactinide
The superactinides are a group of hypothetical elements that are predicted to be elements 121-156. One of these elements is expected to have a magic number of protons and neutrons which is unbihexium. An isotope of unbihexium is expected to have 126 protons and 184 neutrons.
Superactindes change
Unbiunium change
Further Information: Unbiunium
Unbiunium, also known as eka-actinium was attempted to be synthesized in 1977 by shooting Copper-65 at Uranium-238. it was unsuccessful and no atoms were indentified.
Unbibium change
Further Information: Unbibium
Unbibium, also known as eka-thorium was attempted to be synthesized in 1972 by shooting Zirconium-66 and 68 at Uranium-238. it was unsuccessful. no atoms were detected. Unbibium is predicted to be in the island of stability.
Unbitrium change
Further Information: Unbitrium
Unbitrium also known as eka-protactinium or element-123 no attempt has ever been made to make Unbitrium.
Unbiquadium change
Further Information: Unbiquadium
Unbiquadium, also known as eka-uranium, is the predicted element-124. It is predicted that Unbiquadium-308 has a magic number of neutrons which is 184. it is in the island of stability.
Unbipentium change
Futher Information: Unbipentium
Unbipentium also known as eka-neptunium is the predicted element-125. in 1977 unbipentium was tried to be synthesized by shooting zinc-68 and 68 at americium-238 it was unsucessful and no atoms were detected.
Unbihexium change
Futher Information: Unbihexium
Unbihexium also known as eka-plutonium is expected to have a magic number of protons and neutrons 126 protons and 184 neutrons. it was tried to be synthesized in 1971, and it was unsuccessful. and it is in the island of stability.
Unbiseptium change
Further Information: Unbiseptium
Unbiseptium, also known as eka-americium was attempted to be synththesized in 1978 by shooting xenon ions at tantalum no atoms were detected.
Unbioctium change
Further Information: Unbioctium
Unbioctium also known as eka-curium, is the predicted element-128, it has not been tried to be synthesized.
Unbiennium change
Further Information: Unbiennium
Unbiennium also known as element-129, has not yet been tried to be synthesized.
Untrinilium change
Untrinilium, also known as element-130, isotopes that are above Untrinilium are predicted to have isotopes that are extremely radioactive. it has never been tried to be synthesized.
Untriunium change
Further Information: Untriunium Untriunium, also known as eka-Einsteinium is element-131 of the periodic table. it has not yet been tried to be synthesized.
Untribium change
Further Information: Untribium Untribium also known as eka-Rutherfordium is element-132 It is predicted to be in the island of stability.
Untritrium change
Untritrium, also known as element-133 has the atomic symbol Utt it is expected to have extremely unstable isotopes it has not yet been tried to be synthesized.
Untriquadium change
Untriquadium, also known as element-134 is in the island of stability it has not yet been tried to be synthesized.
Untripentium change
Untripentium, also known as element-135 has atomic symbol Utp it has not yet been tried to be synthesized.
Untrihexium change
Untrihexium, also known as element-136 has not been tried to be synthesized. it has atomic symbol Uth.
Untriseptium change
Further Information: Untriseptium
Untriseptium also called eka-dubnium is predicted to be element-137. Richard Feynman said that Untriseptium was the end of the periodic table. he was wrong. it turned out to be Unsepttrium. and there have not been any attempts to make Untriseptium.
Untrioctium change
Untrioctium, also known as element-138 has not yet been tried to be synthesized. it has atomic symbol Uto.
Untriennium change
Untriennium is element-139. it has not yet been tried to be synthesized. it has atomic symbol Ute.
Unquadnilium change
Unquadnilium is element-140 it has not yet been tried to be synthesized. it has atomic symbol Uqn.
Unquadunium change
Unquadunium is element-141 of the periodic table. it has not yet been tried to be synthesized. it has atomic symbol Uqu.
Unquadbium change
Unquadbium, is the predicted element-142. it is predicted to have extremely radioactive Isotopes. it has not yet been tried to be synthesized. it has atomic symbol Uqb.
Unquadtrium change
Unquadtrium,is the predicted element-143. it is predicted to have extremely radioactive Isotopes. it has never been tried to be synthesized. it has atomic symbol Uqt.
Unquadquadium change
Unquadquadium, is the predicted element-144. it has never been tried to be synthesized. it has atomic symbol Uqq.
Unquadpentium change
Unquadpentium, is the predicted element-145. it has never been tried to be synthesized.
Unquadhexium change
Unquadhxium, is the predicted element-146. it has never been tried to be synthesized. it has atomic symbol Uqh.
Unquadseptium change
Unquadseptium, is the predicted element-147. it has never been tried to be synthesized. it has atomic symbol Uqs.
Unquadoctium change
Unquadoctium, is the predicted element-148. it has never been tried to be synthesized. it has atomic symbol Uqo.
Unquadennium change
Unquadennium, is the predicted element-149. it has never been tried to be synthesized. it has atomic symbol Uqe.
Unpentnilium change
Unpentnilium, is the 150th element of the periodic table. it has not yet been tried to be synthesized.
Unpentunium change
Unpentunium, is the 151st element of the periodic table. it has not yet been tried o be synthesized.
Unpentbium change
Unpentbium, is the 152nd element of the periodic table it has not yet been tried to be synthesized.
Unpentrium change
Unpentrium, is the 153th element of the periodic table. it has not yet been ried to be synthesized.
Unpentquadium change
Unpentquadium, is the 154th element of the periodic table. it has not yet been tried to be synthesized.
Unpentpentium change
Unpentpentium, is the 155th element of the periodic table. it has not yet been tried to be synthesized.
Unpenthexium change
Unpenthexium is the predicted element-156. it has not yet been tried to be synthesized.
Unpentseptium change
Unpentseptium is the last element in the superactinides. it is the predicted element-157. it has not yet been tried to be synthesized.
Nuclides after element-120 change
Alpha decay chain change
There is a alpha decay chain starting from 296-Uue,296 and 299-Ubn, 300-Ubu, 300 and 303-Ubb, 304-Ubt, and 304-Ubq continuing up a possible narrow 1 microsecond alpha decay chain. with targets 248-Cm 249-Bk and 249-Cf and projectiles 50-Ti 54-Cr and 58-Fe.
Isotopes of Unbiunium change
A calculation in 2016 predicted that the most stable predicted isotopes of Unbiunium are 309-314 Ubu. they are predicted to have half-lives long enough to be detected in labs. 304-314 Ubu though are expected to alpha decay.
Isotopes of Unbibium change
There were two attempts of making Ubb-306 they were tried to be made by shooting 58-Fe at 248-Cm. No atoms were found. The 2nd one was shooting 64-Ni at 242-Pu. Again, no atoms were found.
Isotopes of Unbiquadium change
The predicted most stable isotope of Unbiquadium is predicted to be Ubq-330. with 124 protons and 206 neutrons. Ubq-308 has a magic number of neutrons which is 184.
Isotopes of Unbihexium change
The predicted Ubh-310 expected to be the longest living isotope of Unbihexium. It has a magic number of protons and neutrons. 126 protons, and 184 neutrons.
References change
1. https://encyclopedia.pub/entry/31339 2. https://encyclopedia.pub/entry/37064 3. https://chemeurope.com/en/encyclopedia/Unbiquadium.html