Web112 rows · Mar 23, 2024 · 92: Uranium has 92 protons, 146 neutrons … Web44 rows · Of the first 82 elements in the periodic table, 80 have isotopes …
Atomic number, atomic mass, and isotopes - Khan Academy
WebFor most of the remaining elements, there are more neutrons than protons, because extra neutrons are needed to keep the nucleus together by overcoming the mutual repulsion of the increasing numbers of … WebMar 13, 2024 · Uranium has the most, with 92 electrons, 92 protons and 146 neutrons (usually). We have also made artificial elements with more than 92 protons, but these decay quickly into the natural ones. The protons and neutrons are in the atom’s nucleus. tick bullseye rash pictures
07 Isotopes Phet.docx - Isotopes... - Course Hero
WebThorium is a naturally-occurring element and it is estimated to be about three times more abundant than uranium. Thorium is commonly found in monazite sands (rare earth metals containing phosphate mineral). ... Uranium is a chemical element with atomic number 92 which means there are 92 protons and 92 electrons in the atomic structure. Webelement with more than 92 protons malliable able to be hammered or rolled into thin sheets allotropes different forms of the same element with different molecular structure diatomic molecule that consists of two atoms of the same element radioactive elements … WebNov 28, 2024 · Radioactive Elements In elements with more than 83 protons, all of the isotopes are radioactive. The force of repulsion among all those protons makes the nuclei unstable. Elements with more than 92 protons have such unstable nuclei that they don’t even exist in nature. They have only been created in labs. the lighthouse berry avenue eckington