name = 'potassium'
symbol = 'K'

atomic_number = 19
atomic_number_deut = 19

mass = [(38.963707999999997, 93.260000000000005), (39.963999000000001, 0.01), (40.961824999999997, 6.7300000000000004)]
mass_deut = 39.0982813032

color = 'black'

vdW_radius = 0.275

b_coherent = 3.67*fm
b_incoherent = 1.465807536*fm
b_coherent_deut = 3.67*fm
b_incoherent_deut = 1.465807536*fm