the chemical element of atomic number 11, a soft silver-white reactive metal of the alkali metal group. sodium i think.
Answer: sodium
Explanation:
Non-metallic minerals are the minerals which contain non-metals. Like non-metals these minerals do not exhibit luster and they break off easily. Examples of non-metallic minerals include limestone, aggregate, and garnate.
Sodium is an alkali metal, which is highly reactive and silver white in color.
