The elements having 8 electrons in their outermost shell are called as
alkali metals
halogens
alkaline earth metals
noble gases
Name:
1. Three elements having a single electron in their outermost shell.
2. Three elements with filled outermost shell.
3. Three elements having 7 electrons in their outermost shell.
Name
(a) three elements that have a single electron in their outermost shells.
(b) two elements that have two electrons in their outermost shells.
(c) three elements with filled outermost shells.
How many electrons do the following elements have in their outermost shells?