How does mass number differ from atomic number?

The number of protons in the nucleus is represented by "Z", the atomic number. The atomic mass of the element (number of protons plus the number neutrons) is ... Jul 28, 2021 ... I know that atoms with higher atomic numbers tend to become more and more unstable and decay quicker the higher the atomic number goes. ... Atomic Mass Nouns: Unity, Plurality and Semantic Flexibility. Cai, Haitao ... number of exceptions to the latter have long been noticed, among which ... The mass of the nucleus in atomic mass units (amu) is usually slightly different from the mass number. Atoms of the same element can have different number of ... Author(s): Ghiorso, A; Thompson, S G; Higgins, G H; Soaborg, G T. Atomic number of radiation. Required if Radiation Type (300A,00C6) is ION. Technetium : The Element of Atomic Number 43 · 9420 Accesses · 53 Citations · 6 Altmetric · Metrics details. Abstract. IN 1937, Perrier and Segrè showed that ... Lithium fluoride thermoluminescent dosimeters (TLD) are the most commonly implemented for clinical dosimetry. The small physical magnitude of TLDs makes ... 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 ... Atomic number, Z. Element Symbol. Name. Atomic Mass, u. 3. Li. Lithium. 7.0. 4. Be. Beryllium. 9.012. 12. Mg. Magnesium. 24.305. 20. Ca. Calcium. 40.08.