please help

Why would a negatively charged electron join a neutral atom? Let's think about the view from its new orbital "home." In its new home, it will "see" the attraction from a nucleus as well as repulsion from the electrons closer to the nucleus than it is. (This is a rough approximation, but it's useful!) a. What nuclear charge does a 2p electron in fluorine see? b. What charge from further-in electrons does a 2p electron fluorine see? Adding these together we can get a "core charge" or, more commonly, effective nuclear charge. a. What effective nuclear charge does a electron see from a 2p orbital in fluorine? b. Does the electron like the view? Why or why not? Now let's imagine adding a second electron to fluorine, to make F2. a. What orbital would this second additional electron go into? b. What nuclear charge would that second additional electron see? c. What charge from further-in electrons would that second additional electron see? d. What effective nuclear charge would it see? e. Does the electron like the view? Why or why not