None.
The meaning of the word nuclear weapon, is a weapon that has a nuclear warhead on it.
This nuclear weapon is called an atomic bomb or a nuclear bomb
Nuclear weapon detonations
If by "bomb" you mean a conventional explosive weapon, then the nuclear weapon is more powerful.
The UK is estimated to have a stockpile of approximately 160 active nuclear warheads and 225 nuclear warheads in total.
The amount of radiation produced by a nuclear weapon can vary depending on its size and yield. However, a single detonation of a nuclear weapon can produce tens of thousands to millions of rads within the immediate vicinity of ground zero. This level of radiation exposure can be lethal to humans and cause widespread health effects.
nuclear chemicals such as plutonium
No. LLNL even tested several Uranium-Hydride bombs in the 1950s. Even though their computer models said the devices should explode, none gave a nuclear yield. One could use the waste from the reactor as a Radiological Weapon, but the reactor itself is not useful as a weapon.
NO
no
plutonium + weapon
the first nuclear weapon was issued in WW2 created by the americans in a chicargo squash court