The elemental symbol of calcium is Ca and the atomic number is 20. Calcium is a common metal element, which exists in rocks, minerals, shells and some animals and plants in nature. It plays an important physiological role in the human body, such as maintaining bone health and participating in the normal functions of muscles and nerves.
The elemental symbol of phosphorus is P and the atomic number is 15. Phosphorus exists widely in nature and is a common nonmetallic element. In human body, phosphorus is a component of important molecules such as DNA, RNA and ATP, and also participates in physiological processes such as bone formation.
The elemental symbol of-magnesium is Mg and the atomic number is 12. Magnesium is a light metal element, which exists in many minerals and shells. In human body, magnesium is a catalyst for many enzyme reactions, and also participates in physiological processes such as heart, nerve and bone health.
The elemental symbol of-potassium is K, and the atomic number is 19. Potassium is a metal element, which exists widely in soil and rocks. In the human body, potassium participates in the normal functions of many cells and muscles, such as heart and muscle contraction and nerve conduction.
The elemental symbol of sodium is Na, and the atomic number is 1 1. Sodium is a metal element, which widely exists in the natural atmosphere, seawater and crust. In human body, sodium is an important electrolyte, which participates in the functions of many cells and nerves and the normal water balance. Excessive sodium intake can also lead to health problems, such as high blood pressure.