The slow eating of away metal​

Give a real-world example of an energy transformation that uses two of the following forms of energy: chemical, mechanical, nuclear, gravitational, radiant, electrical, thermal (heat), and/or sound.

How many atomic mass units are equal to 1.672×10−24 g of protons?

Type the letter that represents the correct location for each particle type below. the neutron is found at __ the electron is found at __ the proton is found at __