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. unbihexium is expected to have 126 protons and 184 neutrons.

Superactindes
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#### Unbiunium

Further Information: Unbiunium

Bohr model of 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

Further Information: Unbibium

Bohr model of 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

Further Information: Unbitrium

Bohr model of Unbitrium
Unbitrium also known as eka-protactinium or element-123 no attempt has ever been made to make Unbitrium.

#### Unbiquadium

Further Information: Unbiquadium

Bohr model of 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

Futher Information: Unbipentium

Bohr model of 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

Futher Information: Unbihexium

Bohr model of 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

Further Information: Unbiseptium

Bohr model of 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

Further Information: Unbioctium

Bohr model of Unbioctium
Unbioctium also known as eka-curium, is the predicted element-128, it has not been tried to be synthesized.

#### Unbiennium

Further Information: Unbiennium

Bohr model of Unbiennium
Unbiennium also known as element-129, has not yet been tried to be synthesized.

#### Untrinilium

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

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

Further Information: Untribium
Untribium also known as eka-Rutherfordium is element-132 It is predicted to be in the island of stability.

#### Untritrium

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

Untriquadium, also known as element-134 is in the island of stability it has not yet been tried to be synthesized.

#### Untripentium

Untripentium, also known as element-135 has atomic symbol Utp it has not yet been tried to be synthesized.

#### Untrihexium

Untrihexium, also known as element-136 has not been tried to be synthesized. it has atomic symbol Uth.

#### Untriseptium

Further Information: Untriseptium

Bohr model of 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

Untrioctium, also known as element-138 has not yet been tried to be synthesized. it has atomic symbol Uto.

#### Untriennium

Untriennium is element-139. it has not yet been tried to be synthesized. it has atomic symbol Ute.

#### Unquadnilium

Unquadnilium is element-140 it has not yet been tried to be synthesized. it has atomic symbol Uqn.

#### Unquadunium

Unquadunium is element-141 of the periodic table. it has not yet been tried to be synthesized. it has atomic symbol Uqu.

#### Unquadbium

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

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

Unquadquadium, is the predicted element-144. it has never been tried to be synthesized. it has atomic symbol Uqq.

#### Unquadpentium

Unquadpentium, is the predicted element-145. it has never been tried to be synthesized.

#### Unquadhexium

Unquadhxium, is the predicted element-146. it has never been tried to be synthesized. it has atomic symbol Uqh.

#### Unquadseptium

Unquadseptium, is the predicted element-147. it has never been tried to be synthesized. it has atomic symbol Uqs.

#### Unquadoctium

Unquadoctium, is the predicted element-148. it has never been tried to be synthesized. it has atomic symbol Uqo.

#### Unquadennium

Unquadennium, is the predicted element-149. it has never been tried to be synthesized. it has atomic symbol Uqe.

#### Unpentnilium

Unpentnilium, is the 150th element of the periodic table. it has not yet been tried to be synthesized.

#### Unpentunium

Unpentunium, is the 151st element of the periodic table. it has not yet been tried o be synthesized. 

#### Unpentbium

Unpentbium, is the 152nd element of the periodic table it has not yet been tried to be synthesized.

#### Unpentrium

Unpentrium, is the 153th element of the periodic table. it has not yet been ried to be synthesized.

#### Unpentquadium

Unpentquadium, is the 154th element of the periodic table. it has not yet been tried to be synthesized.

#### Unpentpentium

Unpentpentium, is the 155th element of the periodic table. it has not yet been tried to be synthesized.

#### Unpenthexium

Unpenthexium is the predicted 
element-156. it has not yet been tried to be synthesized.

#### Unpentseptium

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
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### Alpha decay chain

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

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

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. No atoms were found. 

### Isotopes of Unbiquadium

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.