Gravitational Potential Energy is created when an object’s what changes

An atom with 7 protons, 6 neutrons, and 7 electrons has an atomic mass of amu. (enter a whole number.) numerical answers expected! answer for blank 1:

What is the correct name for hg(no3)2? mercury (i) nitrate mercury (ii) nitrate mercury nitroxide mercury dinitride

How does the kinetic energy of a substance's particle in the solid phase compare to their kinetic enegy in the liquid phase?