Write a hypothesis for this question. what are some differences among elements, compounds, and mixtures?

How is the composition of a meteorite relevant to finding out the composition of earth's core?

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 activity is an innate behavior