The frequency of light is necessary to excite an electron in the 1st energy level is 7.56 x 1014 Hz. Calculate the wavelength for this frequency. (SHOW ALL WORK!)

What is the relation between concentration of reactants and the rate of chemical reaction?

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.

What best discribes the relationship between wavelength and frequency in a electromagnetic wave