Explain the difference between Van der Waals forces, hydrogen bonding, covalent bonds and ionic bonds.

If the particles in a sample of matter have an orderly arrangement and move only in place, the sample is a

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present

Which statement describes james chadwick’s discovery.