how many elements are in periodic table explain halogens chalcogens and lnert gases and what is octat rule
Answers & Comments
Sheryasankar1
17 th group elements who has 7 electrons in the outermost shell are called halogens.Inert have 8 electrons in outermost shell so that they don't want to take place in chemical reaction to attain stability as they are already stable. Octact rule is all about stability dating that an atom is suppose to undergo chemical reaction to attain 8 electron in their outer most shell
Answers & Comments
Octact rule is all about stability dating that an atom is suppose to undergo chemical reaction to attain 8 electron in their outer most shell