An atom of an elemen t has electronic structure 2,8,a which statement is correct for it?

An atom of an element has electronic structure 2, 8, 1. Which statement is correct for it?

An atom of an element has electronic configuration 2,8,1. Which of the following statement is correct ?

An atom of an element has electronic configuration 2,8,1. Which of the following statement is correct ?

CF_(4), SF_(4) and XeF_(4) contain the following electronic structure on their central atoms. Which one is correct option ?

CF_(4), SF_(4) and XeF_(4) contain the following electronic structure on their central atoms. Which one is correct option ?

Which element has the electronic configuration 2, 8,8, 1 ?

Which element has the electronic configuration 2,8,8,2?

An element of atom mass 39 has the electron configuration 2,8,8,1 which of the following statements are correct ?