This is because butterfly caterpillars are host specific. Plant-wise, the caterpillars of some butterfly species like asters, black-eyed Susan, clover, lupines, milkweed, sedum or violets. Aspen, birch, cherry, hackberry, oak or willow trees make caterpillars of other butterfly species equally happy.
each Br-F bond would be polar or BF4-, there is an extra electron making this a polar molecule. PCl5 has the Cl atoms that must be as far apart from each other as possible and therefore would create equal but opposite pulls.ach Br-F bond would be polar or BF4-, there is an extra electron making this a polar molecule. PCl5 has the Cl atoms that must be as far apart from each other as possible and therefore would create equal but opposite pulls.
Which species is incorrectly matched with bond angles? Molecule Bond Angles A. SiCl4 109.5Â° B. BeI2 slightly less than 109Â° C. SF6 90Â° (and 180Â°) D. AsF5 90Â°, 120Â° (and 180Â°) E. BF3 120Â° 16. Is AsH3 polar and SbF5 nonpolar?he one that doesn't match is (B). AsH3 is polar. It is trigonal pyramidal and is asymmetrical. SbF5 is trigonal bipyramidal and is symmetrical and is therefore nonpolar.