Source code for ryd_numerov.elements.francium

from ryd_numerov.elements.element import Element


[docs] class Francium(Element): species = "Fr" s = 1 / 2 ground_state_shell = (7, 0) # https://webbook.nist.gov/cgi/inchi?ID=C7440735&Mask=20 _ionization_energy = (4.071_2, 0.000_04, "eV")