def test_create_ion_element_name():
ion = fiasco.IonBase('hydrogen 1')
assert ion.element_name == 'hydrogen'
assert ion.atomic_symbol == 'H'
assert ion.atomic_number == 1
assert ion.ionization_stage == 1
assert ion.charge_state == 0
assert ion._ion_name == 'h_1'
def ionbase():
return fiasco.IonBase('fe 5')