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 organic compound has the empirical formula CH2.…An ideal bar equipment for combining ingredients…if an element X with atomic number 13 combines with…An electric generator with a power output of 3.0KW…An element X has an atomic number of 16. What is its…