What is the source of the national government's expressed powers? What is the source of its implied powers?

What is the source of the national government's expressed powers? What is the source of its implied powers?

Expressed powers come from the Constitution (Can't remember exactly which part).

Implied powers come from the Necessary and Proper Clause (Article I, Section 8, Clause 18)

It's in a document called the U.S. Constitution.