Atoms
a. Besides protons, what other particles make up an atom? Write 2 – 3 sentences identifying the attractive forces that act between a proton and each of these other particles. (4 points)
b. Using a periodic table, identify the element whose atoms have 11 protons. Is it a metal, a nonmetal, or a metalloid? Write 1 – 2 sentences describing how an atom of this element changes when it forms an ionic bond. (4 points)