Which refrigerant is known to destroy ozone? ammonia

Freon®

tetrafluoroethane

ice

Answer explain why it is not possible to deduce a complete order of reactivity.

Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.

The footprints of a dinosaur and the burrow of an ancient shrimp are examples of which kind of fossils