|NaCl is the ____ for the sodium chloride compound (table salt).
|Each element has either a one-letter or two-letter ____.
|Water freezes at 0° and boils at 100° ____.
|A ____ is a positively charged subatomic particle.
|In a solution of salt water, salt is the ____ and water is the solvent.
|The core of a ____ contains graphite (not lead).
|The molecular attraction between water molecules is ____.
|The mass of a $1 bill is about one ____.