What is Atomic Number
If we take hydrogen as a reference its atomic number is 1. Atomic number the number of a chemical element in the periodic system whereby the elements are arranged in order of increasing number of protons in the nucleus. Mass Number Atomic Number Ions Chemistry Classroom Mass Number Atomic Number With respect to terminology the atomic number is symbolized by the letter Z and the mass number by the letter A. . Atoms have no overall charge because the number of electrons is equal to the number of protons. Since neutrons carry no net electrical charge it is the charge number of. What is the Atomic Number. 119 rows For chemistry students and teachers. Protons are known to exist in the nucleus of an atom. What is Atomic Number. A chemical elements atomic no. It refers to the number of protons in an atom. Atomic number is the number of protons in the nucleus plus the number of neutrons. Let us di...