![]() ![]() Here, p + is used to represent protons with a positive charge, and n° is used to represent neutral neutrons. Hence, the nucleus of the Boron atom can be represented as: In the case of the Boron atom, the atomic mass is 10.811, after rounding it to the nearest whole number we get 11. Number of neutrons = Atomic mass (rounded to nearest whole number) – No. of protons in Boron = Atomic Number of Boron = 5Īlso, the number of neutrons in an atom is given by the formula: The number of protons in an atom is always equal to the atomic number of that atom. Now, to draw the Bohr model for Boron we first need to identify the number of different atomic particles that this atom contains. Electronic configuration of Boron is 1s 22s 22p 1.The symbol for representing Boron is B.The Boron atom along with its atomic number, electronic configuration, and atomic mass is represented as follows in the Periodic table: ![]() ![]() The Boron family is located in the 13 th group of the Periodic table: The boron atom has 6 neutrons and 5 protons in its nucleus, and 5 electrons revolve around the nucleus in two shells named K and L shells. The names assigned to the shell are K, L, M, N, etc., or 1, 2, 3, 4, 5, etc. The shell closest to the nucleus has minimum energy and is also known as the ground state for an atom, while the shell farthest from the nucleus has the highest energy.īohr gave numerical as well as alphabetical names to these shells with the lowest value assigned to the shell with the lowest energy i.e. That is why they are also known as energy levels.
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