Element Iodine (I), Group 17, Atomic Number 53, p-block, Mass 126.904. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

Iodine is a chemical element; it has symbol I and atomic number 53. The heaviest of the stable halogens, it exists at standard conditions as a semi-lustrous, non-metallic solid that melts to form a deep violet liquid at 114 °C (237 °F), and boils to a violet gas at 184 °C (363 °F).

Iodine is the 53rd element in the periodic table and has a symbol of I and atomic number of 53. It has an atomic weight of 126.90447 and a mass number of 127. Iodine has fifty-three protons and seventy-four neutrons in its nucleus, and fifty-three electrons in five shells.

Atomic mass of Iodine is 126.90447 u. The atomic mass is the mass of an atom. The atomic mass or relative isotopic mass refers to the mass of a single particle, and therefore is tied to a certain specific isotope of an element.

Iodine is a chemical element with symbol I and atomic number 53. Classified as a halogen, Iodine is a solid at room temperature. [Kr]5s 2 4d 10 5p 5. J.C. Slater, J Chem Phys, 1964, 41 (10), 3199-3205. DOI:10.1063/1.1725697.

Get the facts about element Iodine (I) [53] from the periodic table. Find physical data, electron configuration, chemical properties, aggregation states, isotope data (including decay trees) as well as some historic information.

2020年11月21日 · Atomic mass of Iodine is 126.90447 u. The atomic mass is the mass of an atom. The atomic mass or relative isotopic mass refers to the mass of a single particle, and therefore is tied to a certain specific isotope of an element.

Iodine (I) - Iodine with the symbol 'I' is a dark gray or purple blackish nonmetallic element with atomic number 53 in the Periodic Table. Learn iodine atomic number, atomic mass of iodine and iodine uses.

Iodine (I) Atomic Data for Iodine (I) Atomic Number = 53 Atomic Weight = 126.90447 Reference E95 : Isotope : Mass : Abundance : Spin : Mag Moment : 127 I: 126.904473: 100%: 5/2 +2.808: I I Ground State 1s 2 2s 2 2p 6 3s 2 3p 6 3d 1 0 4s 2 4p 6 4d 1 0 5s 2 5p 5 2 P 3 / 2 Ionization energy 84295.14 cm-1 (10.45126 eV) Ref. M62

Iodine is a monoisotopic element and its atomic weight is determined solely by its isotope 127 I. The Commission last revised the standard atomic weight of iodine in 1985 based on the latest Atomic Mass Evaluation by IUPAP.