Above the critical pressure, a substance is a(n) fluid.
a. isocritical
b. subcritical
c. supercritical
d. hypercritical

Phosphorous can form an ion called phosphide, which has the formula p3−. this ion can form an ion called phosphide, which has the formula p3−. this ion properties very similar to those of pforms when a phosphorus atom loses three protonsis called a cationcontains 18 electrons