Does oxygen have a greater mass than chlorine

Ionic compounds are made of ions, and yet the overall charge of an ionic compound is neutral. why?

Select the correct answer. which phrase correctly describes temperature? o a. average rotational kinetic energy of the particles in an object o b. average energy of the particles in an object c. average translational kinetic energy of the particles in an object od. all energy possessed by the particles in an object

At stp, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver