7. Suggest a reason why the death levels did not fall as soon as the sulfur dioxide
levels fell.

The Great Smog.

please help!!

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.

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

Sodium nitrite (nano2) reacted with 2−iodooctane to give a mixture of two constitutionally isomeric compounds of molecular formula c8h17no2 in a combined yield of 88%. draw reasonable structures for these two isomers. click the "draw structure" button to launch the drawing utility. place the two compounds in the appropriate boxes below.