An element X with electronic configuration 1s² 2s² 2p6 3s² combines with another element Y with the configuration 1s² 2s² 2p6 3s² 3p5. What is the formula of the compound formed? by Sunday | May 12 | Chemistry WAEC | 0 comments A. X2Y5 B. X2Y3 C. XY3 D. XY2 Correct Answer: Option D D. XY2 Users Also Read These:The bond formed between two elements with electron…How many principal electronic shells has an atom…The electronic configuration of an element X is 1s²…What is the atomic number of an element whose cation…An element Y has the electronic configuration 1s²…