Aphoton of light has a wavelength of about 600 nm (1nm = 1 x 10-9 m). what is the energy of this photon of light? show all calculations leading to an answer.

Which one of the following terms is used to indicate the natural tendency of an object to remain at rest or in motion at a constant speed along a straight line? velocity acceleration equilibrium force inertia

Iron is a transition metal with multiple oxidation numbers. (answer the following) a. what is the iron (ii) ion? how does it differ from the iron (iii) ion? b. if iron were to bond with oxygen, predict the formula for each oxidation number of iron. c. how would each formula be named?

The built in flash in a compact camera is usally capable of giving correct exsposure for distance up to how many meters?