What's the difference between a hypothesis and a theory?

Explain that newton first law, second law and third law of motion?

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

Write a balanced equation showing the formation of copper (ii) nitrite from its elements