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The “Little Boy” and “Fat Man” atomic bombs dropped on Hiroshima and Nagasaki at the end of World War II are the only nuclear weapons used in warfare ... so far. But that could soon change—in a February address to Moscow, Russian President Vladimir Putin provided a thinly veiled th...
What are alkali metals used for? What is the most common isotope of uranium? What chemical elements are essential in nuclear power? What is an atom called in nuclear chemistry? When was einsteinium added to the periodic table? What element has no stable isotopes?
Here’s how much deadlier today’s nukes are compared to WWII atomic bombs. With so much at stake, it’s important to understand what these things are capable of.
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Why is a conventional fission nuclear reactor not able to explode as a bomb? What are some of the reasons that plutonium rather than uranium is used in all fission bombs and as the trigger in all fusion bombs? Why is a fission bomb (called an A-bomb) needed to start a ...
If you know where a certain element sits in the table, and you know a little bit about the properties of the elements above, below, and either side, you can often figure out what the properties of that element will be.How do atoms make molecules and compounds? Atoms are a bit like ...
Nuclear energy was first used in the Second World War, primarily to make nuclear bombs. But after the war, attention turned to peaceful purposes, notably for power generation. Today, the world produces as much electricity from nuclear energy, in fission reactors, as it did from all sources co...
work with radioactivity; she discovered the elements ʻradiumʼ and ʻpoloniumʼ [contained in the uranium-bearing rock]. Radium she named for the rays it gave off, and polonium, for her native Poland. 5 Part 4 in the Series “What is nuclear waste and why be concerned?” ...
Since the Hiroshima and Nagasaki incidents, neither an atomic nor a hydrogen bomb has been used in an attack. However, the nuclear disarmament movement is still active because a variety of nations still possess, and have threatened to use, nuclear capabilities. ...