If you add a neutron to an atom how does it change ?

If i can still dissolve more sugar into the solution at a certain temperature what would i call that solution

Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o

A4.86 g piece of metal was placed in a graduated cylinder containing 15.5 ml of water. the water level rose to 17.3 ml. what is the density of the metal. i need the steps of how to solve it to so i can use a formula to work out other problems.