Hydrochloric acid comprises of elements-hydrogen and chlorine. Hydrogen is placed above in group-1 and chlorine in group-17
H2SO4 is a compound named as sulphuric acid. Its elements hydrogen, oxygen and sulphur are present on periodic table.
I am guessing that you mean hydrochloric acid, and the reaction is ammonia plus hydrochloric acid gives ammonium chloride; NH3 + HCl => NH4Cl
If you mean hydrochloric acid the answeer ist yes, hydrochloric acid is used to percipictate cocaine of solution
If you mean "what is the acid in the stomach", it's primarily HCl (hydrochloric acid).
Ci means chlorine in the periodic table
If you mean the anion from hydrochloric acid, it is not hydro chlorate but the chloride ion or Cl-
Helium
Iodine
Oxygen,
what ploh does mean
calcium
a family of the periodic table is like a group of elements of the same type.