An element Z has a combining power of 3. Which of the following formulae is correct of its compounds? By: Sunday|Published on: May 13|Categories: 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 electron configuration 1s² 2s² 2p6…Which of the following properties of covalent…The correct order of increasing boiling points of…Which of the following is the correct trend in the…An element Z has a combining power of 3. Which of…SEE ALSO A compound that gives a brick-red colour to a non-luminous flame is likely to contain?