Astronomers say they have figured out the true chemical makeup of our solar system, revealing that it contained much more carbon, oxygen and nitrogen than previously thought. Chiefly, the finding ...

Building on basic chemical principles, this course provides the atomic and molecular foundations for understanding chemistry and the life sciences. Starting from the structure of the atom and an ...

Using heavy water, the researchers could also selectively introduce deuterium atoms along with chlorine. The weightier hydrogen isotope is useful for probing reaction mechanisms, as well as studying ...