

InterviewSolution
Saved Bookmarks
1. |
Two elements X and Y have the following configurations. X = 1s2 2s2 2p6 3s23p64s2 Y = 1s2 2s2 2p6 3s2 3p5What is the formula of the compound? |
Answer» The electronic configuration of X is 1s2 2s2 2p6 3s23p64s2 So its valency is 2. The electronic configuration of Y is 1s2 2s2 2p6 3s2 3p5 So its valency is 1. ∴ The formula of the compound is XY2 |
|