A plane on the ground will weigh

Which statement can best be concluded from the ideal gas law?

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

Which of the following is a physical property flammability heat of combustion solubility and toxicity