Promethium is a chemical element with symbol Pm and atomic number 61. All of its isotopes are radioactive; it is extremely rare, with only about 500–600 grams naturally occurring in the …

Interactive periodic table showing names, electrons, and oxidation states. Visualize trends, 3D orbitals, isotopes, and mix compounds. Fully descriptive writeups.

Element Promethium (Pm), Group 19, Atomic Number 61, f-block, Mass [145]. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images. Jump to main content

Periodic Table element Summary Promethium. Promethium is a chemical element with symbol Pm and atomic number 61. Classified as a lanthanide, Promethium is a solid at room …

Promethium is the 61st element in the periodic table and has a symbol of Pm and atomic number of 61. It has an atomic weight of (144.91276) and a mass number of 126. Promethium has …

Promethium is a chemical element of the periodic table with chemical symbol Pm and atomic number 61 with an atomic weight of 145 u and is classed as a lanthanide.

Physical and chemical properties of Promethium: general data, thermal properties, ionization energies, isotopes, reduction potentials, abundance of elements, crystallographic data.

Promethium atoms have 61 electrons and the shell structure is 2.8.18.23.8.2. The ground state electronic configuration of neutral promethium is [Xe]. 4f5. 6s2 and the term symbol of …

Promethium is a chemical element with the symbol Pm and atomic number 61 in the periodic table. All of its isotopes are radioactive; it is one of only two such elements that are followed in …

Get the facts about element Promethium (Pm) [61] from the periodic table. Find physical data, electron configuration, chemical properties, aggregation states, isotope data (including decay …