What is Bohr Model? (See Bohr Diagrams of all 118 Elements)

What is a Bohr model?
Bohr model is a structural model in which the negatively charged electrons revolve around the positively charged nucleus. This is similar to the planets revolving around the sun, except that the orbits are non-planar.

The electrons move in a fixed orbits (shells) and each orbit has a fixed energy.
Each orbit (or shell) can hold a certain number of electrons.

Here is a simple table showing the number of electrons that can be accommodated in each shell.

Number of electrons in each shell;

Orbit / Shell (n)	Maximum no. of electrons this orbit can hold
K shell, n = 1	2
L shell, n = 2	8
M shell, n = 3	18
N shell, n = 4	32
.	.
.	.

Thus, 1st shell can hold 2 electrons, 2nd shell can hold 8 electrons, 3rd shell can hold 18 electrons, 4th shell can hold 32 electrons, and so on. ^[1]

Bohr Model of All Elements

Bohr diagrams of all elements are shown in the table below.

Atomic no.	Elements	Bohr model of Elements
1	Bohr model of Hydrogen (H)	1
2	Bohr model of Helium (He)	2
3	Bohr model of Lithium (Li)	2, 1
4	Bohr model of Beryllium (Be)	2, 2
5	Bohr model of Boron (B)	2, 3
6	Bohr model of Carbon (C)	2, 4
7	Bohr model of Nitrogen (N)	2, 5
8	Bohr model of Oxygen (O)	2, 6
9	Bohr model of Fluorine (F)	2, 7
10	Bohr model of Neon (Ne)	2, 8
11	Bohr model of Sodium (Na)	2, 8, 1
12	Bohr model of Magnesium (Mg)	2, 8, 2
13	Bohr model of Aluminum (Al)	2, 8, 3
14	Bohr model of Silicon (Si)	2, 8, 4
15	Bohr model of Phosphorus (P)	2, 8, 5
16	Bohr model of Sulfur (S)	2, 8, 6
17	Bohr model of Chlorine (Cl)	2, 8, 7
18	Bohr model of Argon (Ar)	2, 8, 8
19	Bohr model of Potassium (K)	2, 8, 8, 1
20	Bohr model of Calcium (Ca)	2, 8, 8, 2
21	Bohr model of Scandium (Sc)	2, 8, 9, 2
22	Bohr model of Titanium (Ti)	2, 8, 10, 2
23	Bohr model of Vanadium (V)	2, 8, 11, 2
24	Bohr model of Chromium (Cr)	2, 8, 13, 1
25	Bohr model of Manganese (Mn)	2, 8, 13, 2
26	Bohr model of Iron (Fe)	2, 8, 14, 2
27	Bohr model of Cobalt (Co)	2, 8, 15, 2
28	Bohr model of Nickel (Ni)	2, 8, 16, 2
29	Bohr model of Copper (Cu)	2, 8, 18, 1
30	Bohr model of Zinc (Zn)	2, 8, 18, 2
31	Bohr model of Gallium (Ga)	2, 8, 18, 3
32	Bohr model of Germanium (Ge)	2, 8, 18, 4
33	Bohr model of Arsenic (As)	2, 8, 18, 5
34	Bohr model of Selenium (Se)	2, 8, 18, 6
35	Bohr model of Bromine (Br)	2, 8, 18, 7
36	Bohr model of Krypton (Kr)	2, 8, 18, 8
37	Bohr model of Rubidium (Rb)	2, 8, 18, 8, 1
38	Bohr model of Strontium (Sr)	2, 8, 18, 8, 2
39	Bohr model of Yttrium (Y)	2, 8, 18, 9, 2
40	Bohr model of Zirconium (Zr)	2, 8, 18, 10, 2
41	Bohr model of Niobium (Nb)	2, 8, 18, 12, 1
42	Bohr model of Molybdenum (Mo)	2, 8, 18, 13, 1
43	Bohr model of Technetium (Tc)	2, 8, 18, 14, 1
44	Bohr model of Ruthenium (Ru)	2, 8, 18, 15, 1
45	Bohr model of Rhodium (Rh)	2, 8, 18, 16, 1
46	Bohr model of Palladium (Pd)	2, 8, 18, 18
47	Bohr model of Silver (Ag)	2, 8, 18, 18, 1
48	Bohr model of Cadmium (Cd)	2, 8, 18, 18, 2
49	Bohr model of Indium (In)	2, 8, 18, 18, 3
50	Bohr model of Tin (Sn)	2, 8, 18, 18, 4
51	Bohr model of Antimony (Sb)	2, 8, 18, 18, 5
52	Bohr model of Tellurium (Te)	2, 8, 18, 18, 6
53	Bohr model of Iodine (I)	2, 8, 18, 18, 7
54	Bohr model of Xenon (Xe)	2, 8, 18, 18, 8
55	Bohr model of Caesium (Cs)	2, 8, 18, 18, 8, 1
56	Bohr model of Barium (Ba)	2, 8, 18, 18, 8, 2
57	Bohr model of Lanthanum (La)	2, 8, 18, 18, 9, 2
58	Bohr model of Cerium (Ce)	2, 8, 18, 19, 9, 2
59	Bohr model of Praseodymium (Pr)	2, 8, 18, 21, 8, 2
60	Bohr model of Neodymium (Nd)	2, 8, 18, 22, 8, 2
61	Bohr model of Promethium (Pm)	2, 8, 18, 23, 8, 2
62	Bohr model of Samarium (Sm)	2, 8, 18, 24, 8, 2
63	Bohr model of Europium (Eu)	2, 8, 18, 25, 8, 2
64	Bohr model of Gadolinium (Gd)	2, 8, 18, 25, 9, 2
65	Bohr model of Terbium (Tb)	2, 8, 18, 27, 8, 2
66	Bohr model of Dysprosium (Dy)	2, 8, 18, 28, 8, 2
67	Bohr model of Holmium (Ho)	2, 8, 18, 29, 8, 2
68	Bohr model of Erbium (Er)	2, 8, 18, 30, 8, 2
69	Bohr model of Thulium (Tm)	2, 8, 18, 31, 8, 2
70	Bohr model of Ytterbium (Yb)	2, 8, 18, 32, 8, 2
71	Bohr model of Lutetium (Lu)	2, 8, 18, 32, 9, 2
72	Bohr model of Hafnium (Hf)	2, 8, 18, 32, 10, 2
73	Bohr model of Tantalum (Ta)	2, 8, 18, 32, 11, 2
74	Bohr model of Tungsten (W)	2, 8, 18, 32, 12, 2
75	Bohr model of Rhenium (Re)	2, 8, 18, 32, 13, 2
76	Bohr model of Osmium (Os)	2, 8, 18, 32, 14, 2
77	Bohr model of Iridium (Ir)	2, 8, 18, 32, 15, 2
78	Bohr model of Platinum (Pt)	2, 8, 18, 32, 17, 1
79	Bohr model of Gold (Au)	2, 8, 18, 32, 18, 1
80	Bohr model of Mercury (Hg)	2, 8, 18, 32, 18, 2
81	Bohr model of Thallium (Tl)	2, 8, 18, 32, 18, 3
82	Bohr model of Lead (Pb)	2, 8, 18, 32, 18, 4
83	Bohr model of Bismuth (Bi)	2, 8, 18, 32, 18, 5
84	Bohr model of Polonium (Po)	2, 8, 18, 32, 18, 6
85	Bohr model of Astatine (At)	2, 8, 18, 32, 18, 7
86	Bohr model of Radon (Rn)	2, 8, 18, 32, 18, 8
87	Bohr model of Francium (Fr)	2, 8, 18, 32, 18, 8, 1
88	Bohr model of Radium (Ra)	2, 8, 18, 32, 18, 8, 2
89	Bohr model of Actinium (Ac)	2, 8, 18, 32, 18, 9, 2
90	Bohr model of Thorium (Th)	2, 8, 18, 32, 18, 10, 2
91	Bohr model of Protactinium (Pa)	2, 8, 18, 32, 18, 9, 2
92	Bohr model of Uranium (U)	2, 8, 18, 32, 21, 9, 2
93	Bohr model of Neptunium (Np)	2, 8, 18, 32, 22, 9, 2
94	Bohr model of Plutonium (Pu)	2, 8, 18, 32, 24, 8, 2
95	Bohr model of Americium (Am)	2, 8, 18, 32, 25, 8, 2
96	Bohr model of Curium (Cm)	2, 8, 18, 32, 25, 9, 2
97	Bohr model of Berkelium (Bk)	2, 8, 18, 32, 27, 8, 2
98	Bohr model of Californium (Cf)	2, 8, 18, 32, 28, 8, 2
99	Bohr model of Einsteinium (Es)	2, 8, 18, 32, 29, 8, 2
100	Bohr model of Fermium (Fm)	2, 8, 18, 32, 30, 8, 2
101	Bohr model of Mendelevium (Md)	2, 8, 18, 32, 31, 8, 2
102	Bohr model of Nobelium (No)	2, 8, 18, 32, 32, 8, 2
103	Bohr model of Lawrencium (Lr)	2, 8, 18, 32, 32, 9, 2
104	Bohr model of Rutherfordium (Rf)	2, 8, 18, 32, 32, 10, 2
105	Bohr model of Dubnium (Db)	2, 8, 18, 32, 32, 11, 2
106	Bohr model of Seaborgium (Sg)	2, 8, 18, 32, 32, 12, 2
107	Bohr model of Bohrium (Bh)	2, 8, 18, 32, 32, 12, 2
108	Bohr model of Hassium (Hs)	2, 8, 18, 32, 32, 14, 2
109	Bohr model of Meitnerium (Mt)	2, 8, 18, 32, 32, 15, 2
110	Bohr model of Darmstadtium (Ds)	2, 8, 18, 32, 32, 16, 2
111	Bohr model of Roentgenium (Rg)	2, 8, 18, 32, 32, 17, 2
112	Bohr model of Copernicium (Cn)	2, 8, 18, 32, 32, 18, 2
113	Bohr model of Nihonium (Nh)	2, 8, 18, 32, 32, 18, 3
114	Bohr model of Flerovium (Fl)	2, 8, 18, 32, 32, 18, 4
115	Bohr model of Moscovium (Mc)	2, 8, 18, 32, 32, 18, 5
116	Bohr model of Livermorium (Lv)	2, 8, 18, 32, 32, 18, 6
117	Bohr model of Tennessine (Ts)	2, 8, 18, 32, 32, 18, 7
118	Bohr model of Oganesson (Og)	2, 8, 18, 32, 32 18, 8

External resources:

1. Foundation, C. (n.d.). CK12-Foundation. CK12-Foundation. https://flexbooks.ck12.org/cbook/ck-12-middle-school-physical-science-flexbook-2.0/section/3.15/primary/lesson/bohrs-atomic-model-ms-ps/
2. Bohr Diagrams of Atoms and Ions. (2015, September 6). Chemistry LibreTexts. https://chem.libretexts.org/Bookshelves/Physical_and_Theoretical_Chemistry_Textbook_Maps/Supplemental_Modules_(Physical_and_Theoretical_Chemistry)/Electronic_Structure_of_Atoms_and_Molecules/Bohr_Diagrams_of_Atoms_and_Ions
3. Bohr model – Wikipedia. (2014, September 30). Bohr Model – Wikipedia. https://en.wikipedia.org/wiki/Bohr_model
4. The Bohr Model of the Atom. (n.d.). The Bohr Model of the Atom | NSTA. https://www.nsta.org/science-teacher/science-teacher-januaryfebruary-2021/bohr-model-atom
5. Bohr model. (n.d.). https://cpanhd.sitehost.iu.edu/C101webnotes/modern-atomic-theory/Bohr-model.html
6. Bohr model. (n.d.). https://www.pas.rochester.edu/~blackman/ast104/bohr.html