Help, I don't know what the answer would be.

How is the atomic number of a nucleus changed by alpha decay

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

Moseley made revisions to the periodic table that resolved some of the problems with mendeleev's version. which of thesewas a result of his revisions to the periodic table? the revised periodic table could account for the discovery of new elements.the revised periodic table could account for variations resulting from isotopesscientists could begin to write new information onto each element.scientists could begin to place the table on a single sheet of paper.