Another way to write isotopes is to write the name of the element then add the mass number after a dash, for example, 146C is carbon-14. Why isn’t the atomic number needed for this notation?

Match the term to its description match term definition chemical energy a) internal energy caused by vibrations of atoms and molecules electrical energy b) electromagnetic energy that travels in waves radiant energy c) the movement of an electrical charge thermal energy d) potential energy stored in the bonds between atoms