Identify which of the following molecules can exhibit hydrogen bonding as a pure liquid. oxalic acid
tetrabromomethane
ethanol
difluoromethane
hydrazine
benzaldehyde
H−Br

What diagram shows the ionic compound of magnesium oxide

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.

As changes in energy levels of electrons increase, the frequencies of atomic line spectra they emit