Indicate chemical element X, which can form acid of composition НХ04.

Cl-HClO4 (perchloric acid)
Mn-HMnO4 (manganic acid)
НReO4 (Rhenic acid)
HNO4 (Nitric acid)
Acids are complex substances consisting of one or more hydrogen atoms that can be replaced by metal atoms, and acid residues. All of these acids are monobasic and oxygen-containing.

One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.