2+-+Yasin+-+Potassium

__Potassium Facts__ - Potassium atom has 19 protons - Potassium is an Alkali Metal that means it is a high reactive metal with a valence electron of 1. - Potassium is a silver-white metal. - It was first purified in 1807 by a man named Sir Humphrey Davy. - It's atomic mass is 39.1 - It has 20 neutrons - It has 20 electrons - Potassium is a solid - It's electron shell is 2,8,8,1 -Symbol K - Atomic Mass 39.0983

You can find potassium in a banana,and other food.