The difference between the atomic weight of the element in such specimens and that given in the Table may exceed the stated uncertainty. Geological specimens are known in which the element has an isotopic composition outside the limits for normal material. Special notes for this element from IUPAC publication: A lead-antimony alloy is used in batteries. It is alloyed with lead or other metals to improve their hardness and strength. Uses Antimony is used in the electronics industry to make some semiconductor devices, such as infrared detectors and diodes. Atomic Structure of Antimony Atomic Radius: 1.53 Atomic Volume: 18.23cm3/mol Covalent Radius: 1.41 Cross Section (Thermal Neutron Capture) a/barns: 4.91. Atomic radius Atomic radius, 2.06 Covalent radius, 1.40 Electronegativity (Pauling-scale), 2.05 Electron affinity, 100.924. For atoms with many electrons, this notation can become lengthy and so an abbreviated notation is used. The portion of Antimony configuration that is equivalent to the noble gas of the preceding period, is abbreviated as Kr. Density, melting point and boiling point data is particularly variable and uncertain.Ītomic weight data for stable elements from IUPAC 1999 Official Publication. In its metallic form it is silvery, hard and brittle. Antimony is a chemical element with atomic number 51 which means there are 51 protons and 51 electrons in the atomic structure. The ground state abbreviated electronic configuration of Neutral Antimony atom is Kr 4d10 5s2 5p3. It is characterized by being semi-metallic with 4 allotropic forms. The ground state electron configuration of ground state gaseous neutral antimony is Kr. The chemical element included in the group of metalloids is called antimony, it is in group 5 and its atomic number is 51. Antimony atoms have 51 electrons and the shell structure is 2.8.18.18.5. But as always, never believe one source if the number really matters. The electron configuration of Antimony is 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p3. The data on this page is more precise and in some cases more up-to-date than the data engraved on the wooden tiles. Technical Data for the element Antimony in the Periodic Tableġs 2 2s 2 2p 6 3s 2 3p 6 3d 10 4s 2 4p 6 4d 10 5s 2 5p 3
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