An element Z has a combining power of 3. Which of the following formulae is correct of its compound? by Sunday | Apr 18 | Chemistry NECO | 0 comments A. ZS3 B. ZSO3 C. ZSO4 D. ZO3 E. Z3Cl2 Correct Answer: Option D – ZO3 Users Also Read These:An element X has an atomic number of 16. What is its…An organic compound has the empirical formula CH2.…The factor of production which takes the initiative…An ideal bar equipment for combining ingredients…if an element X with atomic number 13 combines with…