Respuesta :
Answer: correct answer is A hope I'm not to late responding
Explanation:
Prefixes indicate the subscript for each element is the only correct statement about writing chemical formulas of covalent compounds.
What are covalent compounds?
Covalent compounds are those which are formed by the sharing of electrons.
In the name of the covalent compounds prefixes tells about the no. of particular atom as they are written in the subscript. First name is the name of the non-metal that is present in that compound. And last name is the another name of non-metal which is present on the right side on the periodic table with respect to the first non-metal.
Hence, option (1) is correct i.e. prefixes indicate the subscript for each element.
To know more about covalent compounds, visit the below link:
https://brainly.com/question/11651796