Which of the following combination of features maximizes electronegativity? A Asmall atomic radius and high ionization energy
B A large atomic radius and a high ionization energy
C A small atomic radius and a low ionization energy
D A large atomic radius and a low ionization energy

The answer is 65.3312

Noble gases is far right

You would be correct, boiling water does disinfect contamination.    the property of disinfecting means to kill  germs, bacteria and other pathogens or contamination  that might cause an infection or cause a person to become sickly. a couple methods of disinfecting are using soap, other cleaning supplies or by simply "boiling" the contaminate.  the reason why boiling water disinfects certain attributes is because some cells cannot survive the heat and pressure.