Foundation
Chemistry Foundation
Quantum Number and Electronic Configuration
Question
If the electronic configuration of elements ‘A’ and ‘B’ are 1s2 , 2s2 2p6, 3s1 and 1s2, 2s2 2p6, 3s2 3p4 respectively, then the formula of the compound formed by the combination of these elements will be -
Know your College Admission Chances Based on your Rank/Percentile, Category and Home State.
Get your JEE Main Personalised Report with Top Predicted Colleges in JoSA
Solution
Element A belongs to group 1 and has a valency 1 & element B belongs to group 16 and has a valency 2, so the formula of compound is A2B.