A 100.0 mL aliquot of 0.200 M aqueous potassium hydroxide is mixed with 100.0 mL of 0.200 M aqueous magnesium nitrate. Write a balanced chemical equation for any reaction that occurs. What precipitate forms? What mass of precipitate is produced? Calculate the concentration of each ion remaining in solution after precipitation is complete.

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.

In any atom of any element, you will find protons and neutrons in the nucleus of any atom 

Answeropposite;