Some facts to help you understand:
Matter is defined as anything that can be weighed (so it must have mass) and takes up space ( so it must have volume)
Everything that exists is either a type of energy (e.g light, heat or sound) or matter.
matter is the result of a combination of atoms.
Answer:
Yes, all elements are matter.
Reason:
Elements are not energy forms. They take up space and can be weighed.Moreover, all elements are made of atoms.