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Atomic number is an important concept in chemistry, and can be used to identify any element, no matter its size or additional properties. Calcium, for example, is defined by its atomic number, which is 20. While this number might simply appear to be a label, it actually has several distinct benefits, which directly apply to the element.

The atomic number of 20 provides for a very balanced combination within the physical and chemical properties associated with calcium. As a result, it has the correct balance of stability and reactivity, allowing it to easily interact with other elements that share a similar atomic number. For instance, when calcium is combined with oxygen, which has an atomic number of 8, it forms a compound, which is the basis of healthy development for humans and animals.

Atomic number also affects the electrical conductivity of elements, with those lower on the atomic scale being the most conductive. At number 20 on the atomic scale, calcium is not particularly electrically conductive. This allows it to act as a resistor, which is essential in cellular communication, helping to maintain electrical balance within cells for organisms. Furthermore, it is also an integral part of many structures and complexes, allowing for the stability of the molecular structures found in living systems.

The most significant benefit of calcium's atomic number of 20 is that it plays an important role in the human body. Calcium is a key element in the structure of bones and teeth, allowing for greater stability and strength than many other common elements. Additionally, it helps to transport nutrients, hormones, and other important compounds throughout the body. It is also essential for the normal functioning of many muscles and enzymes, and is a major component of many metabolic processes.

In conclusion, calcium's atomic number of 20 is extremely beneficial, not only to the element itself, but also to living beings. It provides for a well-balanced combination of physical and chemical properties, fits into the electrical conductivity framework, and is essential to the functioning of the human body. Therefore, the atomic number of 20 provides many positive benefits to calcium, and is important to keep in mind when studying the element.