How does atomic number relate to ionization energies beyond the first ionization energy?

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. Summary · The atomic number (Z) of an element is the number of protons in the nucleus of each atom of that element · The number of electrons is equal to the ... Author(s): Ghiorso, A; Thompson, S G; Higgins, G H; Soaborg, G T. 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. Sep 7, 2016 ... To accurately characterize shielded special nuclear materials (SNM) using passive gamma-ray spectroscopy measurement techniques, ... For example carbon atoms have six protons, hydrogen atoms have one, and oxygen atoms have eight. The number of protons in an atom is referred to as the atomic ... Results for the limiting screening number as N -> oo of an electron in the (nl) radial wave function of an atom with atomic number N, are extended to ... This study aimed to quantitate the accuracy of the determination of electron density (ED), effective atomic number (Z eff ), and iodine concentration atomic mass unit, n. meanings, etymology, pronunciation and more in the Oxford English Dictionary.