If you formed an ion or ions what would it be. How would you form this ion. The element is Phosphorus, and Aluminum. plzz help asap this is due in 5 minutes.

What is the density of the black hole

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?

What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?