An element Z has a combining power of 3. Which of the following formulae is correct of its compounds? by Sunday | May 13 | Chemistry WAEC | 0 comments A. ZSO3 B. Z3CI2 C. Z2O3 D. ZS3 Correct Answer: Option C C. Z2O3 Users Also Read These:An element X has an atomic number of 16. What is its…A metal X forms two chlorides with the formulae XCI2…In which of the following compounds does hydrogen…An element X has electron configuration 1s² 2s² 2p6…Which of the following compounds has hydrogen bonds…