The electronic configuration of an atom is as follows: 2 8 7 . Which orbital is the last electron in ?

The electronic configuration of an atom is as follows 1s^2,2s^2,2p^2 . Which orbital is the last electron in ?

The electronic configuration of an atom is as follows: 2 8 7. Which element's atom is it ?

Electronic configuration of Sodium atom is

The electronic configuration of an atom is as follows 1s^2,2s^2,2p^2 . Which element's atom is it ?

The electronic configuration of an atom is as follows: What is the value of principal quantum numbers of two electrons in the first box ?

The electronic configuration of an atom is as follows 1s^(2) 2s^(2) 2p^(2) a) Which element's atom is it ? b) What is the valence shell ? c) When excited what could be the number of lone / single electrons in this atom ? d) What is the value of principal quantum numbers of two electrons in the first box ?

An electronic configuration of an atom is 2, 8, 7. The valency of the atom is __

The electronic configuration of an atom is as follows 1s^2,2s^2,2p^2 . When excited what could be the number of lone / single electrons in this atom ?

The following electronic configuration violates