Who want to zoom or talk on padlet

The solar panels used by mark function because of the photoelectric effect. light shines on the cells causing electrons to be ejected from the metal, which produces an electric current. at night on mars, no light will fall on the solar cells and no electric current will be generated. according to your notes, what type of light is typically needed to cause the photoelectric effect? a)visible b)ultraviolet c)infrared

What is the scientific definition of energy that relates to work

Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?