Lead 2 nitrate and potassium iodide net ionic equation

It takes 945.kj/mol to break a nitrogen-nitrogen triple bond. calculate the maximum wavelength of light for which a nitrogen-nitrogen triple bond could be broken by absorbing a single photon.

1) these are barrel shaped microtubules in most animal cells, that organize the spindles during cell division

Compare and contrast the bohr model and the electron cloud models of the atom.