Which element fills fourth shell before filling up third shell with 18 electrons??

Open in App

Solution

Dear Student,
Potassium and Calcium are the elements which fills 4th shell first.
Electronic configuration:
K= 2,8,8,1
Ca= 2,8,8,2
Regards

Suggest Corrections

Similar questions

Q. In case of which of the following elements, the fourth energy shell N, fills up even before the third energy shell M is complete with 18 electrons?

Which element has two shells, both of which are completely filled with electrons?

Atoms are said to be completely filled when all the available shells are completely filled with electrons. Which of the following elements has completely filled outermost shell in its atoms?

Q. Elements which have fully filled valence shell electrons belong to :

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.

Join BYJU'S Learning Program

Which element fills fourth shell before filling up third shell with 18 electrons??

Dear Student, Potassium and Calcium are the elements which fills 4th shell first. Electronic configuration: ​​​​​K= 2,8,8,1 Ca= 2,8,8,2 Regards

Dear Student,
Potassium and Calcium are the elements which fills 4th shell first.
Electronic configuration:
K= 2,8,8,1
Ca= 2,8,8,2
Regards