Is Polonium A Metal Nonmetal Or Metalloid, Polonium is a chemical element; it has symbol Po and atomic number 84. A metalloid is an element that has a mixed set of properties, sharing features with metals and nonmetals alike. The isotopes 210 through 218 occur naturally in the four principal decay chains; of these, 210 Po with a half-life of 138. Jan 14, 2026 · Polonium is a rare metalloid found near the dividing line between metals and nonmetals. This means they may conduct electricity like metals but also have the brittleness or chemical reactivity typical of nonmetals. The first element to be discovered by radiochemical analysis, polonium was discovered in 1898 by Pierre and Marie Curie, who were investigating the radioactivity of a certain pitchblende. What Is a Metalloid and Where Are They Found? Metalloids, also referred to as semimetals, are elements that exhibit properties intermediate between those of highly conductive metals and generally insulating . Polonium (pronunciation: peh-LOW-nee-em) [3] is a rare, highly radioactive metalloid, classified as a Chalcogen [5] and represented by the chemical symbol Po [1, 2]. Oct 15, 2025 · The meaning of POLONIUM is a radioactive metallic element that has similar chemical properties to tellurium and bismuth, is produced mainly from the radioactive decay of neutron-irradiated bismuth, and emits an alpha particle to form an isotope of lead. What Are Metals, Nonmetals, and Metalloids? At its core, the periodic table groups elements based on shared properties. qflqeu, x6gytzzl, 66vgwbfa, wbsvf, lvqzz, fsyp, 01pu, pvjfd, wtcds, lp,