Potassium
K
Research
The atomic number is 19 and the mass number is 39.098.
The period number is 4 and the group number is 1, making it an Alkali Metal.
It is a solid and it is a metal.
Potassium in cells
Potassium works in cells to make sure they are functioning properly.
Potassium in kidneys & heart
Potassium is in certain foods and it affects your kidneys and heart based on what you consume.
Potassium in muscles and nerves
Potassium is in your muscles and without it your muscles are not healthy and your nerves do not function correctly.