Uranium is a chemical element; it has symbol U and atomic number 92. It is a silvery-grey metal in the actinide series of the periodic table. A uranium atom has 92 protons and 92 electrons, of which 6 are valence electrons. Uranium radioactively decays, usually by …

Uran (benannt nach dem Planeten Uranus) ist ein chemisches Element mit dem Elementsymbol U und der Ordnungszahl 92. Im Periodensystem steht es in der Gruppe der Actinoide (7. Periode, f-Block). Uran ist ein Metall, dessen sämtliche Isotope radioaktiv sind.

ウラン （独: Uran [uˈraːn], 新ラテン語: uranium 英語: [jʊˈreɪniəm][3]）とは、 原子番号 92の 元素。 元素記号 は U。 ウラニウム ともいう。 アクチノイド に属する。 同時期に発見された 天王星 （Uranus、ウラヌス）の名に由来している。 「ウラニウム」は、 金属元素 を意味するラテン語の派生名詞中性語尾 -ium を付けた形である。 現在の地球上に天然に存在している元素のうち、大量に存在しているものとしては、ウランが最も 原子番号 が大きく [4] 、また最も 原子量 …

2025年3月28日 · Uranium, radioactive chemical element of the actinoid series of the periodic table, atomic number 92. It is an important nuclear fuel. It is a dense, hard metallic element that is silvery white in color. It is ductile, malleable, and capable of taking a high polish. Learn more about uranium in this article.

Uranium (92 U) is a naturally occurring radioactive element (radioelement) with no stable isotopes. It has two primordial isotopes, uranium-238 and uranium-235, that have long half-lives and are found in appreciable quantity in Earth's crust. The decay product uranium-234 is …

2020年10月4日 · Uranium is a radioactive element with atomic number 92 and element symbol U. This gray metal is used in ammunition, armor, nuclear weapons, and nuclear power plants. Here is a collection of interesting uranium facts, including the element’s discovery, uses, sources, and toxicity. Name: Uranium. Atomic Number: 92. Element Symbol: U.

Uran (opkaldt efter planeten Uranus) er det 92. grundstof i det periodiske system, og har det kemiske symbol U: Under normale temperatur - og trykforhold fremtræder dette actinid som et gråligt, svagt radioaktivt metal.

Uranium is a chemical element (a metal) on the periodic table. It has an atomic number of 92, which means that a uranium atom has 92 protons in its center, the nucleus. Uranium dug out of the ground is made from three different isotopes. The isotopes are different types of uranium with different numbers of neutrons in their nuclei.

Get the facts about element Uranium (U) [92] from the periodic table. Find physical data, electron configuration, chemical properties, aggregation states, isotope data (including decay trees) as well as some historic information.

Uranium is the 92nd element in the periodic table and has a symbol of U and atomic number of 92. It has an atomic weight of (238.02891) and a mass number of 238. Uranium has ninety-two protons and one hundred forty-six neutrons in its nucleus, and ninety-two electrons in …