What is the maximum number of electrons in p&q shell

Two things that biomedical has invented or innvated

Which of these statements explains the difference between nuclear binding energy and the strong nuclear force ?

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this