In developed countries, the two most deadly sources of indoor pollution are ________.

Neuropeptides are synthesized in the ____.

The [h3o+] of a solution with ph = 9.7 is ________.

The h3o+ ion is called the ________ ion.

We would expect the salinity of surface waters to be higher in regions where __________.

The density (mass per volume) of most liquids increases as the __________ is lowered.

A mole of red photons of wavelength 725 nm has ________ kj of energy.

A megamole of titanium contains __________ moles of titanium.

A long chain of hydrocarbon bonded to cooh is a ________ acid.

A carbon atom with four single bonds will be ____________hybridized.

A bond that is not symmetrical along the axis between two atomic nuclei is a _____.