Iodine is classified as a halogen — a subset of very chemically reactive elements (Group 17 on the periodic table) that exist in the environment as compounds rather than as pure elements.

Zenker-formol sections were passed to water, after iodine and hypo, and placed for two minutes in a 0.5 per cent solution of periodic acid in distilled water.

Iodine and its compounds disinfect surgical sites, seed clouds, and can protect you from certain nuclear fallout. And it's great for blowing up stuff, too! And there's a quiz with a ... Near the right ...

Iodine is a key component of thyroid hormones, ... Juicy nuggets about element number 53 on the periodic table, and its extraordinary uses. Broadcasts. Tue 30 Jan 2018 11:00. BBC Radio 4.

In Their Element: Awesome Iodine looks at the effects and uses of the mineral, as well as the legacy of past iodine deficiency. Here are a few juicy nuggets about element number 53 on the periodic ...

The war in Ukraine has heightened fears about nuclear exposure—and interest in iodine pills that can help protect the body from some radiation. Concerns have grown in recent weeks over periodic ...

A woman distributes iodine tablets to residents in case of a radiation leak in Zaporizhzhia, Ukraine. The war in Ukraine has heightened fears about nuclear exposure — and interest in iodine ...