based on its location on the periodic table which element is a metal; which element is a halogen? chlorine (cl) oxygen (o) carbon (c) radon (rn); which best describes a semiconductor?; how many neutrons does this atom have? 4 6 10 14; which properties do metalloids share with metals?; covalent bonds tend to make atoms more stable by helping them; which statement correctly describes compounds?; what did thomson’s model of the atom include that dalton’s model did not have?