Look at the image on the left. It shows the electron configuration of 5 atoms. Answer the following questions relating to these 5 atoms.

What is the charge that attracts the valence electron(purple) of atom "A" into the nucleus?
What is the charge that attracts the valence electron(purple) of atom "C" into the nucleus?
What is the charge that attracts the valence electron(purple) of atom "D" into the nucleus?
Compare atoms "B" and "C". Which atom has the greatest attraction for its valence(purple) electron? Explain.
Compare atoms "E" and "C". Which atom has the greatest attraction for its valence(purple) electron? Explain.
Compare atoms "A" and "E". Which atom has the greatest attraction for its valence(purple) electron? Explain.