So anyone know the answer to this

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5

What happens when an atom of sulfur combines with two atoms of chlorine to produce sci2? a. each chlorine atom shares a pair of electrons with the sulfur atom. b. an electron is transferred from each chlorine atom to the sulfur atom. c. an electron is transferred from the sulfur atom to each chlorine atom. d. each chlorine atom shares all its valence electrons with the sulfur atom.

What best discribes the relationship between wavelength and frequency in a electromagnetic wave