Elements X and Y have electronic configurations 1s22s22p6 and 1s22s22p63s23p1 respectively. When they combine, the formula of the compound formed is

Assessment: JAMB UTME - Chemistry - 1989 Subject: Chemistry

Question 1 Report

Elements X and Y have electronic configurations 1s22s22p6 and 1s22s22p63s23p1 respectively. When they combine, the formula of the compound formed is
Answer Details
Element X 1 s 2 2 s 2 1 p 4

Valency of X is 2

Element Y 1 s 2 2 s 2 2 p 6 3 s 2 3 P 1

valency of Y is 3

There is an exchange of valency when a compound is being formed. Hence, we have Y2X3

Download The App On Google Playstore

Everything you need to excel in your exams

Green Bridge CBT Mobile App
Personalized AI Learning Chat Assistant
200,000+ Exam Questions Across IGCSE, JAMB, WAEC & NECO
Over 3,900 Lesson Notes
Offline Support - Learn Anytime, Anywhere
Green Bridge Timetable
Literature Summaries & Potential Questions
Track Your Performance & Progress
In-depth Explanations for Comprehensive Learning