Mercury(I) iodide facts for kids
Mercury(I) iodide, also known as mercurous iodide, is a chemical compound. Think of it as a special kind of molecule made from different elements joined together. Its chemical formula is Hg2I2. This formula tells us that it has two mercury atoms (Hg) and two iodine atoms (I) in each molecule.
Mercury(I) iodide is a type of salt because it's made of ions. These are tiny particles with an electric charge. In this compound, the mercury has a specific charge called a +1 oxidation state.
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What is Mercury(I) Iodide Like?
Mercury(I) iodide is a yellow solid. Imagine a bright yellow powder or a small yellow rock.
It's important to know that this compound, like all mercury compounds, is toxic. This means it can be harmful if you touch it or swallow it. That's why scientists and chemists always handle it very carefully in a lab.
When light shines on mercury(I) iodide, it can change. It breaks down into two other substances: mercury(II) iodide and iodine. This process is a chemical reaction where the compound rearranges itself.
How is it Made and What was it Used For?
Scientists can make mercury(I) iodide by mixing mercury metal and iodine. When these two elements react, they combine to form the new compound.
A long time ago, mercury(I) iodide was actually used as a medicine. However, because we now know how toxic mercury compounds are, it is no longer used for medical purposes. Today, safer medicines are available.
Related Compounds
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You can find more information about Mercury(I) iodide in Spanish here: Yoduro de mercurio(I) para niños
