The United States uses more nuclear power than any other country, around 20 percent of the power in the United States is created via nuclear power. Other countries that use nuclear power include France, Russia, and Japan. These countries all create more energy via nuclear power percentage wise, however none create nearly as many total Kilowatt hours as the United States.
In war? Only the US.
In tests? 8:
Israel probably makes it 9, but they won't confirm or deny their status.
Only the USA
Actually about 8 countries have some.
Proliferation of nuclear weapons refers to the spread of nuclear weapons amongst different countries. First the U.S. had a nuclear bomb; then the Soviet Union had a nuclear bomb, followed by other countries such as the United Kingdom, France, China, India, and so on.
USRussiaUKFranceChinaIndiaPakistanNorth Koreaprobably Israel
Nuclear. At the time it was called an atom bomb.
To make deadly Nuclear bomb
No.
Nuclear fusion.
Preventing other countries with nuclear munitions from using them (nuclear deterrence, mutual assured destruction). Or, obviously, to end the world
The amount of plutonium used in a nuclear bomb varies depending on the design, but typically around 4-6 kilograms of plutonium is used for a standard fission bomb.
The cost of the plutonium used in a nuclear bomb can vary greatly, depending on factors such as purity, quantity, and production method. However, estimates suggest that the plutonium used in a typical nuclear bomb could cost millions of dollars.
It wasn't just one bomb.. It was a huge nuclear bombardment during the Great War with China.