as well as the legacy of past iodine deficiency. Here are a few juicy nuggets about element number 53 on the periodic table, and its extraordinary uses. Seaweed, plankton, bacteria and some simple ...

The periodic table The periodic table is a chart of all ... The three common Group 7 elements are chlorine, bromine and iodine. The word ‘halogen’ means 'salt former'. Group 0 and testing ...

However, if you look closer at your table salt container ... there's actually an interesting history behind iodine's addition. Discovered in 1811 at a factory producing saltpeter, iodine is ...