What is the trend of atomic number across the periodic table?

Technetium : The Element of Atomic Number 43 · 9420 Accesses · 53 Citations · 6 Altmetric · Metrics details. Abstract. IN 1937, Perrier and Segrè showed that ... In the context of density functional theory (DFT), this study examines the structural, electronic, gravimetric and thermoelectric properties of perovskite ... 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 ... For ordinary nuclei composed of protons and neutrons, this is equal to the proton number (np) or the number of protons found in the nucleus of every atom of ... atomic mass unit, n. meanings, etymology, pronunciation and more in the Oxford English Dictionary. The control of plasma density profiles is one of the most fundamental problems in fusion reactors. During reactor operation, the density profiles of ... atomic number ... atomic number, the number of a chemical element in the periodic system and on the periodic table that equals the number of protons in the ... 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 ... Author(s): Ghiorso, A; Thompson, S G; Higgins, G H; Soaborg, G T. Complete and detailed technical data about the element $$$ELEMENTNAME$$$ in the Periodic Table.