How can we tell how atoms react with each other by looking at the periodic table and how can we tell if an electron has been removed or added from an atom? How does an atom try to fill its valence shell? How do the electrons help in predicting the ...
What does 'elements made up of atoms with the same number of protons' mean? How can we tell how atoms react with each other by looking at the periodic table and how can we tell if an electron has been removed or added from an atom?