Which of the following is not a polyatomic ion? a) no3-
b) caco3
c) c2h3o2-
d) c6h5coo-

Identify which properties could correspond to solids, plasmas, or both. maintain a unique shape. collide infrequently with other particles. have very high velocities. conduct electricity. protons. have a low temperature. has long-range order.

In which situation can a mixture always be called a solution

How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?