How many grams of water (h2o) have the same number of oxygen atoms as 9. 0 mol of oxygen gas?.

Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.

Which is true of a liquid? it has a definite volume but not a definite mass.it has a definite mass but not a definite volume.it has a definite volume but not a definite shape.it has a definite shape but not a definite volume.

What was bohr’s contribution to the planetary model