What is the energy of a photon emitted with a wavelength of 654 nm?

Is this a single replacement reaction or there is no

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure

Identify one disadvantage to each of the following models of electron configuration: -dot structures -arrow and line diagrams -written electron configurations type in your answer below. (answer) -dot structures do not show the distribution of electrons in orbitals and take up a lot of space. -arrow and line diagrams take up a lot of space and make it difficult to count electrons. -written configurations make it easy to lose count of electrons and do not show the distribution of electrons in orbitals.