Ionic reaction between lithium and chlorine
Maybe your book is wrong. It can't be. There has to be 8 electrons in the outermost occupied shell and to complete its octet. I searched over the google about it and found three links to cover my answer.


https://in.answers.yahoo.com/question/index?qid=20111018173152AAn9DHz
https://quizlet.com/38997670/chem-1305-exam-2-study-guide-flash-cards/ (question number 3)
http://slidegur.com/doc/1661637/ionic-bonds (slide number 18)