Before you take our quiz on The science of weight-loss drugs, make sure you check out our Periodic Graphic for some helpful hints.

The Chemistry Aptitude Test is a tool to help you choose the introductory chemistry course that is right for you to maximize your opportunity for success at SLU. In general, students who do not ...

If 2 + (4 + x) 1/2 = 10, what is the value of x? Suppose that (1/V) = (A/B) (1/S) + (1/B), where V and S are variables and A and B are constants. If (1/V) is plotted on the y-axis versus (1/S) on the ...

The questions in this quiz are suitable for GCSE chemistry students studying potable water, desalination and waste water treatment. If you struggled with the quiz, don't panic - we've got you!

Pull out a bit of the fabric and arrange it so that a small section is flat against the table. Test the towel and umbrella Hold the cotton swab over the flat fabric section of the umbrella. Then ...