Forum Forums Class-10 Science Periodic Classifica... H, Li, Na, K placed... Notifications Clear all H, Li, Na, K placed in group. Why? Periodic Classification Of Elements Last Post by Anonymous 5 years ago 1 Posts 2 Users 0 Likes 254 Views 0 22/11/2020 10:28 am Topic starter romiroy12 (@romiroy12) Illustrious Member 2049 Posts 2049 0 0 H, Li, Na, K placed in group. Why? AnswerAdd a comment Topic Tags class 10 cbse ncert periodic classification elements 1 Answer Most Voted Oldest Newest 0 22/11/2020 10:30 am Anonymous 0 Posts 0 0 0 Tt is because they have same number of valence electron i.e. 10 Add a comment Share: Super Globals Requests: Server: Options and Features route: community use_home_url: url: https://eanshub.com/community/ pageid:187 default_groupid: 3 2022 How Can We Help? Δ Home About Us Contact Us Privacy Policy Term of Use Copyright © 2020 Eanshub All Rights Reserved
