The charge radius is a statistical measure of how far the electric charge of a particle extends into space. Both groups were ...

Larger K+ (ionic radius: 1.3 Å) can selectively permeate larger Na + (ionic radius: 1.0 Å) through biological potassium ion channels, with selectivity ratios greater than 1000-fold. Scientists have ...

Lithium is an alkali metal in group IA of the periodic table with atomic number 3, an atomic weight of 6.939, and a density of 0.53 Mg/m 3. Its melting point is 180.5 C, and it boils at 1330 C. The ...

Therefore, Pan's team proposed a new model (effective atom size model, EAS), which considers the influence of the type and number of neighboring atoms on the ionic radius and the interatomic distance.

Hydrogen is a gas in group IA of the periodic table with atomic number 1, an atomic weight of 1.008, and a density of 0.071. Hydrogen forms an hcp solid at low temperatures, melting at - 259.2 C and ...

From the latest calculation of the transition state, this carbon chlorine distance has been found to be 2.3 A., which is practically equal to the sum of the covalent radius of carbon and the ionic ...