Now we have a more challenging activity for you to try.

We want you to have a look at the YouTube type clips below, they cover how to write chemical formulae, this is one of the many skills you will need to master in order to succeed at chemistry.


Now use the skills you have acquired to write and tweet the formula of the following:

  1. Potassium sulfide
  2. Magnesium Iodide
  3. Ammonium chloride
  4. Ammonium nitrate
  5. Sodium oxide

Challenge: Can you find the names and formula of the common bench acids and alkalis?

Have you also done the other activities: