Periodic Table of Elements

Atomic No.	Symbol	Name	Group	Period	Atomic Mass (approx)
1	H	Hydrogen	1	1	1.008
2	He	Helium	18	1	4.0026
3	Li	Lithium	1	2	6.94
4	Be	Beryllium	2	2	9.0122
5	B	Boron	13	2	10.81
6	C	Carbon	14	2	12.011
7	N	Nitrogen	15	2	14.007
8	O	Oxygen	16	2	15.999
9	F	Fluorine	17	2	18.998
10	Ne	Neon	18	2	20.180
11	Na	Sodium	1	3	22.990
12	Mg	Magnesium	2	3	24.305
13	Al	Aluminium	13	3	26.982
14	Si	Silicon	14	3	28.085
15	P	Phosphorus	15	3	30.974
16	S	Sulfur	16	3	32.06
17	Cl	Chlorine	17	3	35.45
18	Ar	Argon	18	3	39.948
19	K	Potassium	1	4	39.098
20	Ca	Calcium	2	4	40.078
21	Sc	Scandium	3	4	44.956
22	Ti	Titanium	4	4	47.867
23	V	Vanadium	5	4	50.942
24	Cr	Chromium	6	4	51.996
25	Mn	Manganese	7	4	54.938
26	Fe	Iron	8	4	55.845
27	Co	Cobalt	9	4	58.933
28	Ni	Nickel	10	4	58.693
29	Cu	Copper	11	4	63.546
30	Zn	Zinc	12	4	65.38
31	Ga	Gallium	13	4	69.723
32	Ge	Germanium	14	4	72.63
33	As	Arsenic	15	4	74.922
34	Se	Selenium	16	4	78.971
35	Br	Bromine	17	4	79.904
36	Kr	Krypton	18	4	83.798
37	Rb	Rubidium	1	5	85.468
38	Sr	Strontium	2	5	87.62
39	Y	Yttrium	3	5	88.906
40	Zr	Zirconium	4	5	91.224
41	Nb	Niobium	5	5	92.906
42	Mo	Molybdenum	6	5	95.95
43	Tc	Technetium	7	5	[98]
44	Ru	Ruthenium	8	5	101.07
45	Rh	Rhodium	9	5	102.91
46	Pd	Palladium	10	5	106.42
47	Ag	Silver	11	5	107.87
48	Cd	Cadmium	12	5	112.41
49	In	Indium	13	5	114.82
50	Sn	Tin	14	5	118.71
51	Sb	Antimony	15	5	121.76
52	Te	Tellurium	16	5	127.60
53	I	Iodine	17	5	126.90
54	Xe	Xenon	18	5	131.29
55	Cs	Cesium	1	6	132.91
56	Ba	Barium	2	6	137.33
57	La	Lanthanum	3	6	138.91
58	Ce	Cerium	*	6	140.12
59	Pr	Praseodymium	*	6	140.91
60	Nd	Neodymium	*	6	144.24
61	Pm	Promethium	*	6	[145]
62	Sm	Samarium	*	6	150.36
63	Eu	Europium	*	6	151.96
64	Gd	Gadolinium	*	6	157.25
65	Tb	Terbium	*	6	158.93
66	Dy	Dysprosium	*	6	162.50
67	Ho	Holmium	*	6	164.93
68	Er	Erbium	*	6	167.26
69	Tm	Thulium	*	6	168.93
70	Yb	Ytterbium	*	6	173.05
71	Lu	Lutetium	3	6	174.97
72	Hf	Hafnium	4	6	178.49
73	Ta	Tantalum	5	6	180.95
74	W	Tungsten	6	6	183.84
75	Re	Rhenium	7	6	186.21
76	Os	Osmium	8	6	190.23
77	Ir	Iridium	9	6	192.22
78	Pt	Platinum	10	6	195.08
79	Au	Gold	11	6	196.97
80	Hg	Mercury	12	6	200.59
81	Tl	Thallium	13	6	204.38
82	Pb	Lead	14	6	207.2
83	Bi	Bismuth	15	6	208.98
84	Po	Polonium	16	6	[209]
85	At	Astatine	17	6	[210]
86	Rn	Radon	18	6	[222]
87	Fr	Francium	1	7	[223]
88	Ra	Radium	2	7	[226]
89	Ac	Actinium	3	7	[227]
90	Th	Thorium	*	7	232.04
91	Pa	Protactinium	*	7	231.04
92	U	Uranium	*	7	238.03
93	Np	Neptunium	*	7	[237]
94	Pu	Plutonium	*	7	[244]
95	Am	Americium	*	7	[243]
96	Cm	Curium	*	7	[247]
97	Bk	Berkelium	*	7	[247]
98	Cf	Californium	*	7	[251]
99	Es	Einsteinium	*	7	[252]
100	Fm	Fermium	*	7	[257]
101	Md	Mendelevium	*	7	[258]
102	No	Nobelium	*	7	[259]
103	Lr	Lawrencium	3	7	[266]
104	Rf	Rutherfordium	4	7	[267]
105	Db	Dubnium	5	7	[268]
106	Sg	Seaborgium	6	7	[269]
107	Bh	Bohrium	7	7	[270]
108	Hs	Hassium	8	7	[269]
109	Mt	Meitnerium	9	7	[278]
110	Ds	Darmstadtium	10	7	[281]
111	Rg	Roentgenium	11	7	[282]
112	Cn	Copernicium	12	7	[285]
113	Nh	Nihonium	13	7	[286]
114	Fl	Flerovium	14	7	[289]
115	Mc	Moscovium	15	7	[290]
116	Lv	Livermorium	16	7	[293]
117	Ts	Tennessine	17	7	[294]
118	Og	Oganesson	18	7	[294]

*Note: Elements 58-71 (Lanthanides) and 90-102 (Actinides) are technically part of Group 3 but are usually displayed separately below the main table to save space.