👉 Uranophane is a chemical compound that is created when uranium, an element with atomic number 92, is converted into its metallic form. Uranium is a highly radioactive element and can be released from nuclear reactions in the Earth's crust or in the atmosphere. When it comes into contact with water vapor, it reacts with water to produce hydrogen gas and other gases. This reaction is called uranohydration. Uranophane is a mixture of various types of uranium compounds that