That is the total number of protons in the atomic number. We know that protons are located in the nucleus of an atom as a positive charge. This number is equal to the serial number of the periodic table. The atomic number of the element is expressed by āZā. ![]() Thus, the number of positive charges present in the nucleus of an element is called the atomic number of that element. He named that number the order of the atoms. The results of the experiment show that each element has a unique integer equal to the number of positive charges in the nucleus of that element. Scientist Henry Gwyn Jeffreys Moseley researched the X-ray spectrum of various elements in 1913-1914. ![]() Relationship between the atomic mass and nitrogen atomic number.Importance of the atomic number of nitrogen.
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