Answer:
In a chemical change, the atoms in the reactants rearrange themselves and bond together differently to form one or more new products with different characteristics than the reactants. When a new substance is formed, the change is called a chemical change.
Explanation:
The part with the highest frequency and shortest wavelength, you mean? That would be gamma rays.
Either covalent or ionic... they are nonmetals meaning that the are a component in both types of compounds
