Ato describe elements they are the smallest particles of any material they are the building blocks of matter see they are the most expensive materials on earth do they break down easily

A100-watt light bulb radiates energy at a rate of 100 j/s. (the watt, a unit of power or energy over time, is defined as 1 j/s.) if all of the light emitted has a wavelength of 525 nm , how many photons are emitted per second?

Displacement is the slope of a velocity vs. time graph a. true b. false

Calculate the energy required to ionize a hydrogen atom to an excited state where the electron is initially in the n = 5 energy level. report your answer in kilojoules