Formaldehyde, CH2O, and acetic acid, C2H4O2, have the same empirical formula but different a.
kinds of cations.
c.
kinds of atoms.
b.
kinds of anions.
d.
molecular formulas.

1) these are barrel shaped microtubules in most animal cells, that organize the spindles during cell division

What material does not melt at any temperature

The msds for glacial acetic acid says that it is a flammable liquid that can severely burn any human tissue it comes in contact with. it reacts with bases, various metals, and strong oxidizing agents. its vapors can form explosive mixtures with air.