"Red" Phosphorus Is Insoluble in Carbon Disulfide, Has a Broad

Multiple Choice

"Red" phosphorus is insoluble in carbon disulfide, has a broad melting range and a very low vapor pressure, and does not conduct electricity. This evidence suggests that this substance is probably:

A) crystalline and metallic
B) a crystal of P4 molecule units
C) amorphous and polymeric
D) P4+ ions in a "sea" of electrons
E) cubic closest-packed unbonded P atoms