![]() It is so light that it can float in water.Ĭhemically, potassium is a very active metal. Potassium also has a very low density and is the second least dense metal after lithium. When it burns, it produces a pale purple colored flame. Potassium has a very low melting point such that even a candle can cause it to melt. ![]() When cut, the exposed metal tarnishes quickly and forms a dull oxide coating. It is so soft that it can be easily cut with a knife. Under standard conditions potassium is a soft silvery-white metal. Potassium is considered chemically similar to sodium, the alkali metal above it on the periodic table. Potassium atoms have 19 electrons and 19 protons with one valence electron in the outer shell. Potassium is the fourth element in the first column of the periodic table.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |