Well, to my research there hasn't been any nuclear bombs, Aussie has built.
England tested its nuclear bombs at maralinga and woomera in south Australia
At this time the US builds no nuclear bombs. A small number of existing bombs are refurbished as needed.
No nuclear bombs were tested on Easter Island.
Some bombs are nuclear. But most bombs are not nuclear.
in many places
Russia has roughly 3500 nuclear warheads at the time of this writing and the number is slowly falling.
there were two types of nuclear bombs. A "gun type" bomb and an implosion type one with a plutonium core
Yes, there is nuclear energy in nuclear bombs. It is released in a few microseconds when they are detonated.