What kind of forces act between molecules?
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a. intramolecular forces
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b. covalent forces
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c. lonic forces
d. intermolecular forces
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Where is the following?

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