Reset cor GCSE Science - Chemistry
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Question 20 of 48
True or false? lonic compounds are usually a combination of a metal and a non-metal.
TRUE
FALSE

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   

Reaction type : double replacement hcl + lioh = h2o + licl

The answer is b electromagnetic i believe, i hope i ya out!

The answer is a. stable, hope i ya