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Chemical compounds are not named in Roman numerals!
The state that has four Roman numerals in its name is Massachusetts.
The name Claudio cannot be formed from Roman numerals as, even if you replaced the letter 'u' with the numeral V, there is no Roman numeral with the symbol 'a.'
because of roman rule
No, Roman numerals are not used in covalent compounds. Roman numerals are used in the naming of ionic compounds to indicate the charge of a transition metal ion. In covalent compounds, the elements are combined through sharing of electrons and do not involve ions with specific charges.