It also covers the preparation of bromine and iodine, highlighting their solubility and reactions with metals and other compounds. The halogens are compared based on their reactivity, with ...

When the alkali metals react with the different halogens (Group 7 of the periodic table), the group of compounds formed are known as the alkali metals halides. Due to the fact that there are a ...

The metals become more reactive as you go down the group. The elements in group 7 are known as halogens. Fluorine and chlorine are gases. Bromine is one of only two liquid elements. Iodine is solid.