Red light with a wavelength of 670.8 nm is emitted when lithium is heated in a flame
what is the frequency of this radiation?

Particle model to predict what will happen if a sharp object creates a hole in the soccer ball

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.

How will the volume of a gas be affected if the pressure is tripled, but the temperature remains the same?