Ok so promethium is actually my least favourite lanthanide because I can’t actually work with it. It’s highly radioactive and at any one time on the earth’s surface there is not an awful lot of it so...
So this is a very, very special sample of lutetium. Again from the bottom end of the periodic table, the lanthanides, and you can see it’s a really quite beautiful metallic foil here. So lutetium is...
So this sample, it’s a very, very interesting sample; it’s arsenic. So this is quality arsenic. So arsenic used to much more common in the community than it is nowadays. It was used as a pigment in...
Restaurant Marketing - Elements of a Good Strategy Here's a good question. What are the elements of a good strategy? Well, when you think about it, there are really only a few things that...
The Periodic Table is an arrangement of chemical elements ordered by atomic number. It was designed by Dmitri Mendeleyev as a way of presenting all the elements to show their similarities and...
That is gold wire isn’t it? Ok. It is so small you probably won’t see it. So gold is an element, one of the few elements that I think everybody is very familiar with. Women and many men wear it as a...
So Neil’s got a sample of sodium. Sodium is a very reactive metal, it is stored under an oil to stop air or moisture getting on it - stop it oxidising, stop it reacting - and as you can see it is a...
So carbon is an extraordinarily important element. The mass of carbon 12 is used as the standard for measuring the weight of all the other atoms on the periodic table. So carbon it’s around us...
The periodic table is instantly recognizable. It's not just in every chemistry lab worldwide, it's found on t-shirts, coffee mugs, and shower curtains. But the periodic table...