Consider formula a to be v = startfraction 2 pi r over t endfraction and formula b to be v2 = gstartfraction 2 pi r over t endfraction. write the letter of the appropriate formula to use in each scenario.

Determine the wavelength of the light absorbed when an electron in a hydrogen atom makes a transition from an orbital in the n=3 level to an orbital in the n=7 level.

How many atoms are there in 5.70 mol of mg

How is energy related to the change of state represented by the model? atoms gain energy as a solid changes to a liquid. atoms gain energy as a solid changes to a gas. atoms lose energy as a solid changes to a liquid. atoms lose energy as a solid changes to a gas.