The structure of a comet is considered to be like a large, or a mass of frozen ice and rock. a. solid planet c. cratered moon b. dirty snowball

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