Welcome to Westonci.ca, the place where your questions are answered by a community of knowledgeable contributors. Join our Q&A platform to connect with experts dedicated to providing accurate answers to your questions in various fields. Get detailed and accurate answers to your questions from a dedicated community of experts on our Q&A platform.
Sagot :
Answer: (3) In
Explanation: As the given compound is [tex]X_2O_3[/tex], it can be said that X has a valency of 3.
1)Barium (Ba): Atomic no: 56: [tex]Xe6s^2[/tex] : In order to complete its octet, it needs to donate 2 electrons, and thus the valency is 2.
2) Cadmium (Cd) : Atomic no: 48: [tex]Kr5s^24d^{10}[/tex] : In order to complete its octet, it needs to donate 2 electrons, and thus the valency is 2.
3) Indium (In): Atomic no: 49: [tex]Kr5s^25p^{1}[/tex] : In order to complete its octet, it needs to donate 3 electrons, and thus the valency is 3.
4) Sodium (Na): Atomic no: 11: [tex]Ne3s^1[/tex] : In order to complete its octet, it needs to donate 1 electron, and thus the valency is 1.
So the given element could only belong to the group containing Indium (In) as all the elements in the same group exhibit similar valency.
We appreciate your time on our site. Don't hesitate to return whenever you have more questions or need further clarification. Thanks for using our platform. We aim to provide accurate and up-to-date answers to all your queries. Come back soon. Thank you for choosing Westonci.ca as your information source. We look forward to your next visit.
