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.

Element Plutonium (Pu), Group 20, Atomic Number 94, f-block, Mass [244]. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

Plutonium is a chemical element with symbol Pu and atomic number 94. Classified as an actinide, Plutonium is a solid at room temperature.

Symbol: Pu; Atomic number: 94 ; Relative atomic mass (A r): [ 244 ] (longest lived isotope) Standard state: solid at 298 K; Appearance: silvery white; Classification: Metallic

Symbol: Pu Atomic Number: 94 Atomic Mass: (244.0) amu Melting Point: 639.5 °C (912.65 K, 1183.1 °F) Boiling Point: 3235.0 °C (3508.15 K, 5855.0 °F) Number of Protons/Electrons: 94 Number of Neutrons: 150 Classification: Rare Earth Crystal Structure: Monoclinic Density @ 293 K: 19.84 g/cm 3 Color: Unknown Atomic Structure

Plutonium is the 94th element in the periodic table and has a symbol of Pu and atomic number of 94. It has an atomic weight of (244) and a mass number of 221. Plutonium has ninety-four protons and one hundred twenty-seven neutrons in its nucleus, and ninety-four electrons in seven shells.

Get the facts about element Plutonium (Pu) [94] from the periodic table. Find physical data, electron configuration, chemical properties, aggregation states, isotope data (including decay trees) as well as some historic information.

Denoted by the chemical symbol Pu, it has 17 isotopes with mass numbers ranging from 227 to 248 of which Pu-224 is the most stable having a half-life of 80.8 million years [1] [3, 4]. The main sources of Pu are uranium ores, but most of it is man-made, obtained from irradiated uranium in nuclear reactors through reprocessing.

2024年9月1日 · Plutonium element is in period 7 and in actinides group of the Periodic table. Plutonium is the f-block element and it belongs to inner transition metals group. Click on above elements (in Periodic table) to see their information. Why is Plutonium in Period 7? Let me ask you a question. How many shells does plutonium have? It’s 7. Right?

2020年11月21日 · The chemical symbol for Plutonium is Pu. Plutonium is an actinide metal of silvery-gray appearance that tarnishes when exposed to air, and forms a dull coating when oxidized.