Idont get how to do the electron cloud model, can someone tell me how in simple words. i have been lost and dont know anything on how to do the electron cloud model.

Avehicle has an oil leak that is causing the entire oil pan to be wet, but inspection reveals no exact source after cleaning off the oil residue. technician a says to install a fluorescent dye in the crankcase and operate the engine, then re-inspect for leaks with a special light (black light). technician b says the oil leak may be coming from a source at the top of the engine, such as a valve cover gasket. who is correct?

According to newtons universal law of gravitation, which would change the parh of the ball so it traces out widest curved path possible?

What is the energy of a photon of ultraviolet radiation with a frequency of 4.4 × 1015 hz? planck’s constant is 6.63 × 10–34