What does the element symbol on the periodic table indicate?

Which scenario is most similar to the type of collision that gas particles have according to kinetic molecular theory

What is the chemical name of the compound ti2o3? use the list of polyatomic ions and the periodic table to you answer.

Fill in the blanks for the following statements: the rms speed of the molecules in a sample of h2 gas at 300 k will be times larger than the rms speed of o2 molecules at the same temperature, and the ratio µrms (h2) / µrms (o2) with increasing temperature. a not enough information is given to answer this question b sixteen, will not change c four, will not change d four, will increase e sixteen, will decrease