Αποτελέσματα Αναζήτησης
12 Σεπ 2019 · Plutonium occurs naturally in the Earth's crust in uranium ores, but it is very rare. The main source of the element is synthesis in reactors from uranium-238. Plutonium is a member of the actinide element group, which makes it a type of transition metal.
19 Σεπ 2014 · Plutonium: Key facts. Science Photo Library. Named after Pluto, when it was considered the final planet in the solar system. Radioactive element of the actinide series in the periodic table, with...
11 Οκτ 2022 · Plutonium is the 94th element in the periodic table and one of the most dangerous elements on Earth. Here we explore Plutonium in more detail.
8 Δεκ 2016 · Atmospheric weapons testing in the 1950s and 1960s left tons of plutonium in the Earth's atmosphere that is still there today, according to the World Nuclear Association. Uses For the...
11 Μαΐ 2021 · You probably know some plutonium facts, like it’s a radioactive element used in nuclear devices and for powering spacecraft. Here is a collection of interesting plutonium facts you may not know, including its properties, uses, and sources.
Plutonium is a chemical element; it has symbol Pu and atomic number 94. It is a silvery-gray actinide metal that tarnishes when exposed to air, and forms a dull coating when oxidized. The element normally exhibits six allotropes and four oxidation states. It reacts with carbon, halogens, nitrogen, silicon, and hydrogen.
28 Οκτ 2015 · Plutonium isotopes have primarily been injected to the stratosphere by the atmospheric nuclear weapon tests and the burn-up of the SNAP-9A satellite.
