Atomic Mass

Rank	Atomic #	Symbol	Name	Atomic Mass (u)	Category	State
1	117	Ts	Tennessine	294.000	halogen	solid
2	118	Og	Oganesson	294.000	noble gas	gas
3	116	Lv	Livermorium	293.000	post-transition metal	solid
4	115	Mc	Moscovium	290.000	post-transition metal	solid
5	114	Fl	Flerovium	289.000	post-transition metal	solid
6	113	Nh	Nihonium	286.000	post-transition metal	solid
7	112	Cn	Copernicium	285.000	transition metal	solid
8	111	Rg	Roentgenium	282.000	transition metal	solid
9	110	Ds	Darmstadtium	281.000	transition metal	solid
10	109	Mt	Meitnerium	278.000	transition metal	solid
11	108	Hs	Hassium	277.000	transition metal	solid
12	107	Bh	Bohrium	270.000	transition metal	solid
13	106	Sg	Seaborgium	269.000	transition metal	solid
14	105	Db	Dubnium	268.000	transition metal	solid
15	104	Rf	Rutherfordium	267.000	transition metal	solid
16	103	Lr	Lawrencium	266.000	actinide	solid
17	102	No	Nobelium	259.000	actinide	solid
18	101	Md	Mendelevium	258.000	actinide	solid
19	100	Fm	Fermium	257.000	actinide	solid
20	99	Es	Einsteinium	252.000	actinide	solid
21	98	Cf	Californium	251.000	actinide	solid
22	96	Cm	Curium	247.000	actinide	solid
23	97	Bk	Berkelium	247.000	actinide	solid
24	94	Pu	Plutonium	244.000	actinide	solid
25	95	Am	Americium	243.000	actinide	solid
26	92	U	Uranium	238.030	actinide	solid
27	93	Np	Neptunium	237.000	actinide	solid
28	90	Th	Thorium	232.040	actinide	solid
29	91	Pa	Protactinium	231.040	actinide	solid
30	89	Ac	Actinium	227.000	actinide	solid
31	88	Ra	Radium	226.000	alkaline earth metal	solid
32	87	Fr	Francium	223.000	alkali metal	solid
33	86	Rn	Radon	222.000	noble gas	gas
34	85	At	Astatine	210.000	halogen	solid
35	84	Po	Polonium	209.000	metalloid	solid
36	83	Bi	Bismuth	208.980	post-transition metal	solid
37	82	Pb	Lead	207.200	post-transition metal	solid
38	81	Tl	Thallium	204.380	post-transition metal	solid
39	80	Hg	Mercury	200.590	transition metal	liquid
40	79	Au	Gold	196.970	transition metal	solid
41	78	Pt	Platinum	195.080	transition metal	solid
42	77	Ir	Iridium	192.220	transition metal	solid
43	76	Os	Osmium	190.230	transition metal	solid
44	75	Re	Rhenium	186.210	transition metal	solid
45	74	W	Tungsten	183.840	transition metal	solid
46	73	Ta	Tantalum	180.950	transition metal	solid
47	72	Hf	Hafnium	178.490	transition metal	solid
48	71	Lu	Lutetium	174.970	lanthanide	solid
49	70	Yb	Ytterbium	173.050	lanthanide	solid
50	69	Tm	Thulium	168.930	lanthanide	solid
51	68	Er	Erbium	167.260	lanthanide	solid
52	67	Ho	Holmium	164.930	lanthanide	solid
53	66	Dy	Dysprosium	162.500	lanthanide	solid
54	65	Tb	Terbium	158.930	lanthanide	solid
55	64	Gd	Gadolinium	157.250	lanthanide	solid
56	63	Eu	Europium	151.960	lanthanide	solid
57	62	Sm	Samarium	150.360	lanthanide	solid
58	61	Pm	Promethium	145.000	lanthanide	solid
59	60	Nd	Neodymium	144.240	lanthanide	solid
60	59	Pr	Praseodymium	140.910	lanthanide	solid
61	58	Ce	Cerium	140.120	lanthanide	solid
62	57	La	Lanthanum	138.910	lanthanide	solid
63	56	Ba	Barium	137.330	alkaline earth metal	solid
64	55	Cs	Cesium	132.910	alkali metal	solid
65	54	Xe	Xenon	131.290	noble gas	gas
66	52	Te	Tellurium	127.600	metalloid	solid
67	53	I	Iodine	126.900	halogen	solid
68	51	Sb	Antimony	121.760	metalloid	solid
69	50	Sn	Tin	118.710	post-transition metal	solid
70	49	In	Indium	114.820	post-transition metal	solid
71	48	Cd	Cadmium	112.410	transition metal	solid
72	47	Ag	Silver	107.870	transition metal	solid
73	46	Pd	Palladium	106.420	transition metal	solid
74	45	Rh	Rhodium	102.910	transition metal	solid
75	44	Ru	Ruthenium	101.070	transition metal	solid
76	43	Tc	Technetium	98.000	transition metal	solid
77	42	Mo	Molybdenum	95.950	transition metal	solid
78	41	Nb	Niobium	92.906	transition metal	solid
79	40	Zr	Zirconium	91.224	transition metal	solid
80	39	Y	Yttrium	88.906	transition metal	solid
81	38	Sr	Strontium	87.620	alkaline earth metal	solid
82	37	Rb	Rubidium	85.468	alkali metal	solid
83	36	Kr	Krypton	83.798	noble gas	gas
84	35	Br	Bromine	79.904	halogen	liquid
85	34	Se	Selenium	78.971	nonmetal	solid
86	33	As	Arsenic	74.922	metalloid	solid
87	32	Ge	Germanium	72.630	metalloid	solid
88	31	Ga	Gallium	69.723	post-transition metal	solid
89	30	Zn	Zinc	65.380	transition metal	solid
90	29	Cu	Copper	63.546	transition metal	solid
91	27	Co	Cobalt	58.933	transition metal	solid
92	28	Ni	Nickel	58.693	transition metal	solid
93	26	Fe	Iron	55.845	transition metal	solid
94	25	Mn	Manganese	54.938	transition metal	solid
95	24	Cr	Chromium	51.996	transition metal	solid
96	23	V	Vanadium	50.942	transition metal	solid
97	22	Ti	Titanium	47.867	transition metal	solid
98	21	Sc	Scandium	44.956	transition metal	solid
99	20	Ca	Calcium	40.078	alkaline earth metal	solid
100	18	Ar	Argon	39.948	noble gas	gas
101	19	K	Potassium	39.098	alkali metal	solid
102	17	Cl	Chlorine	35.450	halogen	gas
103	16	S	Sulfur	32.060	nonmetal	solid
104	15	P	Phosphorus	30.974	nonmetal	solid
105	14	Si	Silicon	28.085	metalloid	solid
106	13	Al	Aluminum	26.982	post-transition metal	solid
107	12	Mg	Magnesium	24.305	alkaline earth metal	solid
108	11	Na	Sodium	22.990	alkali metal	solid
109	10	Ne	Neon	20.180	noble gas	gas
110	9	F	Fluorine	18.998	halogen	gas
111	8	O	Oxygen	15.999	nonmetal	gas
112	7	N	Nitrogen	14.007	nonmetal	gas
113	6	C	Carbon	12.011	nonmetal	solid
114	5	B	Boron	10.811	metalloid	solid
115	4	Be	Beryllium	9.012	alkaline earth metal	solid
116	3	Li	Lithium	6.941	alkali metal	solid
117	2	He	Helium	4.003	noble gas	gas
118	1	H	Hydrogen	1.008	nonmetal	gas

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