Chemistry Meme

Chemjobber has started a chemistry meme! How could I not play along! (also seen at  Carbon-Based Curiosities, the Sceptical Chymist and Chemistry World blog).

My favourite things about chemistry:

1.  Things like this:that become things like this:

after about 1 minute!  Elephant’s toothpaste demonstration (hydrogen peroxide, washing up liquid, KI catalyst and a suitable container) – simple, effective chemical [...]

10 things…Lead

Lead is…

1. the reason plumbing is called plumbing.  Lead’s chemical symbol Pb is derived from the Latin word plumbum meaning soft metal.  The Romans used lead for their water pipes because it is soft enough to be easily molded.

2. no longer in petrol.  Lead compounds were used in petrol to improve the octane rating (makes car [...]

10 Things…Hydrogen

Hydrogen is…

1.   the most abundant element in the universe.

2.  extremely flammable  but you need oxygen for it to explode (YouTube of Nottingham’s Video).

3. a diatomic gas at room temperature and pressure – H2 (diatomic – two atoms joined together by bonds, one bond in the case of H2)

4. the main component of the gas giant [...]