A chemist and counters and I know me at all they drop the metal into a graduated cylinder containing water and find the volume change is 6.1 mL if the metal weighs 4.9 g what is the density of the metal ing/ml

Hydrogen is the most abundant element on the periodic table..hope it .

You would do 1500/4 and the answer is 375

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.

Answer/// he concludes that the atom particles can be broken due to the paddle wheel being moved by particles coming out of the metal;