What are some common radioactive isotopes used in dating and what are their atomic numbers?

On the periodic table the mass of carbon is reported as 12.01 amu. This is the average atomic mass of carbon. No single carbon atom has a mass of 12.01 amu, but ... Jun 20, 2019 ... Lead is a chemical element – a substance that contains only one type of atom. Its official chemical symbol is Pb, and its atomic number is 82. Atomic number is the number of protons an atom has in its nucleus. Mass number is the number of protons PLUS the number of neutrons in its nucleus and is ... In this paper, we combined the atomic number Z feature and proposed a novel atomic number Z Prior Guided Network (ZPGNet) to detect prohibited objects from ... Mar 5, 2025 ... Taylor, M, Franich, Rick, Trapp, Jamie, & Johnston, Peter (2008) The effective atomic number of dosimetric gels. Aug 14, 2021 ... Purpose: Several new formalisms of Effective Atomic Number ( urn:x-wiley:00942405:media:mp15166:mp15166-math- ) ... Nov 28, 2023 ... The number of protons is unique to each element. For example, there are six protons in a carbon nucleus; therefore, its atomic number is 6 on ... This study aimed to quantitate the accuracy of the determination of electron density (ED), effective atomic number (Z eff ), and iodine concentration A number in parentheses indicates the uncertainty in the last digit of the atomic weight. See below for the elements listed in Atomic Number Order or Name order ... The IUPAC Compendium of Chemical Terminology.