C. Electrical conductivity, that means it can pass electricity through wires if needed, think of your phone charger as an example
It’s the third one because Cl has 17 protons bc of the numeric number and 18 electrons bc it’s always the opposite and 18 neutrons because you subtract 35-17=18
Well you didn’t post any but I’m hoping that either plastic, lead, wood, glass, or paper, are an option.
