sulfur hexafluoride gas insulator molecule. microbubbles are used as contrast agent for ultrasound imaging. potent greenhouse gas.

sulfur hexafluoride gas insulator molecule microbubbles are used as contrast agent ultrasound imaging potent greenhouse fluorine sf6 hypervalent inert dielectric circuit breaker insulated switchgear retinal detachment microbubble tracer etchant atoms atomic model molecular compound composition chemical chemistry 3d rendering science scientific represented spheres conventional color coding yellow gold