Tellurium is a silvery-white, brittle element. its electrical conductivity varies,
but increases slightly with exposure to sunlight.
this element belongs to which region of the periodic table of the elements?
oa) metals
ob) metalloids
oc) nonmetals
od) noble gases

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   

Alily leaf is a plant whereas a cat is an animala lily leaf cell is a plant cell and a skin cell is an animal cell