Use this website to investigate reactivity and displacement reactions.
I hope you enjoyed today and this years final Double Helix Club. I’m sorry you did not manage to do the Elephant toothpaste activity for yourselves.
Due to popular demand, here is the elements song on youku
and the lyrics so you can sing along on your own.
Remember to take a deep breath……….
There's antimony, arsenic, aluminum, selenium,
And hydrogen and oxygen and nitrogen and rhenium,
And nickel, neodymium, neptunium, germanium,
And iron, americium, ruthenium, uranium,
Europium, zirconium, lutetium, vanadium,
And lanthanum and osmium and astatine and radium,
And gold and protactinium and indium and gallium, (gasp)
And iodine and thorium and thulium and thallium.
There's yttrium, ytterbium, actinium, rubidium,
And boron, gadolinium, niobium, iridium,
And strontium and silicon and silver and samarium,
And bismuth, bromine, lithium, beryllium, and barium.
There's holmium and helium and hafnium and erbium,
And phosphorus and francium and fluorine and terbium,
And manganese and mercury, molybdenum, magnesium,
Dysprosium and scandium and cerium and cesium.
And lead, praseodymium and platinum, plutonium,
Palladium, promethium, potassium, polonium,
And tantalum, technetium, titanium, tellurium, (gasp)
And cadmium and calcium and chromium and curium.
There's sulfur, californium and fermium, berkelium,
And also mendelevium, einsteinium, nobelium,
And argon, krypton, neon, radon, xenon, zinc and rhodium,
And chlorine, carbon, cobalt, copper, tungsten, tin and sodium.
These are the only ones of which the news has come to Harvard,
And there may be many others but they haven't been discovered.
I hope you enjoyed the rainbow fizz practical and the numerous methane bubbles demos. Please leave your comments below.
Find out how we use some important compounds with these podcasts http://www.rsc.org/chemistryworld/podcast/CIIEcompound.asp
Chromatography was used to investigate the different dyes which give smarties their different colours.
All the smarties we tested were composed of one type of dye.