The vapor pressure of diethyl ether is 400 mm Hg at 18.0 °C. From the plot of vapor pressures vs temperature above, estimate the temperature at which the vapor pressure of methanol is 400 mm Hg. °C

n has four pairs of electrons in the valence shell, electrons repel one another ,n has 7 protons in its nucleus, and since n has 7 protons, it must fill the second shell, giving it 4 pairs of electrons. the electrons form 3 bonds and 1 lone pair of electrons. each pair of electrons repels the other pairs, so they are equally far apart.

so all of the above

sure what is it? ^w^

it takes on an electronical energy