Ionic compounds are the combination of two elements, one of which is a metal, while the other is a nonmetal. The intermolecular forces binding them is called an ionic bond. To name an ionic compound, take the name of the metal element first, followed by the nonmetal, but adding the suffix -ide. For example, NaCl is named as sodium chloride.
C. Ne
down here is the list of monoatomic elements, just for you :)
Its charge would be the amount of electrons that are lost in total, which the information is not stated
The answer is low frequency and long wavelength