i) Give two examples for each type of state of matter. ii) What happens to the movement of the particles of solid when they are heated?iii) Why can gases be compressed?iv) What is a solution? Give an example from your own life. v) List down all the new information that you learned from this video.

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Ch4 and ph3 are both covalent since they are composed both of non-metals.    ch4 is non- polar because of  london forces and has a geometry of tetrahedral  ph3 , on the other hand, is umbrella shaped polar and has dipole-dipole intermolecular force (imf) . since ph3 is polar, it has a stronger imf