Phosphorus pentafluoride is a known toxic, colorless gas while nitrogen pentafluoride is only a
theoretical compound. Justify this statement. Use your knowledge about the octet rule, its
exceptions and atomic orbitals in your explanation

Which property of water causes water drops to bead on a freshly waxed car?

Asubstance is held in an open container. its particles move past one another at random speeds but do not leave the container. heat is removed from the system, and the particles slow down. when enough heat is removed, the particles no longer have enough speed to overcome the weak attractive forces between them. when this happens, the substance enters its solid state. the process described above is known as .

Can anyone answer these questions? ? i need it before 1: 00pm today