What is the mass of (7.11x10^27) atoms of phosphorus?

What is the ima of the 1 st class lever in the graphic given? 2 3 0.5

This flow chart shows the amount of energy that is emitted by each type of light. ultraviolet > blue light > yellow light > red light (maximum energy) (minimum energy) in an experiment, shining which type of light on a strip of metal would be least likely to produce the photoelectric effect? ultraviolet light dim blue light bright red light bright yellow light

How far is the region from the equator or control climate