|
At No |
Symbol |
Name |
Atomic Wt |
|
1 |
H |
Hydrogen |
1.00794(7) |
|
2 |
He |
Helium |
4.002602(2) |
|
3 |
Li |
Lithium |
[6.941(2)] |
|
4 |
Be |
Beryllium |
9.012182(3) |
|
5 |
B |
Boron |
10.811(7) |
|
6 |
C |
Carbon |
12.0107(8) |
|
7 |
N |
Nitrogen |
14.0067(2) |
|
8 |
O |
Oxygen |
15.9994(3) |
|
9 |
F |
Fluorine |
18.9984032(5) |
|
10 |
Ne |
Neon |
20.1797(6) |
|
11 |
Na |
Sodium |
22.98976928(2) |
|
12 |
Mg |
Magnesium |
24.3050(6) |
|
13 |
Al |
Aluminium |
26.9815386(8) |
|
14 |
Si |
Silicon |
28.0855(3) |
|
15 |
P |
Phosphorus |
30.973762(2) |
|
16 |
S |
Sulfur |
32.065(5) |
|
17 |
Cl |
Chlorine |
35.453(2) |
|
18 |
Ar |
Argon |
39.948(1) |
|
19 |
K |
Potassium |
39.0983(1) |
|
20 |
Ca |
Calcium |
40.078(4) |
|
21 |
Sc |
Scandium |
44.955912(6) |
|
22 |
Ti |
Titanium |
47.867(1) |
|
23 |
V |
Vanadium |
50.9415(1) |
|
24 |
Cr |
Chromium |
51.9961(6) |
|
25 |
Mn |
Manganese |
54.938045(5) |
|
26 |
Fe |
Iron |
55.845(2) |
|
27 |
Co |
Cobalt |
58.933195(5) |
|
28 |
Ni |
Nickel |
58.6934(4) |
|
29 |
Cu |
Copper |
63.546(3) |
|
30 |
Zn |
Zinc |
65.38(2) |
|
31 |
Ga |
Gallium |
69.723(1) |
|
32 |
Ge |
Germanium |
72.64(1) |
|
33 |
As |
Arsenic |
74.92160(2) |
|
34 |
Se |
Selenium |
78.96(3) |
|
35 |
Br |
Bromine |
79.904(1) |
|
36 |
Kr |
Krypton |
83.798(2) |
|
37 |
Rb |
Rubidium |
85.4678(3) |
|
38 |
Sr |
Strontium |
87.62(1) |
|
39 |
Y |
Yttrium |
88.90585(2) |
|
40 |
Zr |
Zirconium |
91.224(2) |
|
41 |
Nb |
Niobium |
92.90638(2) |
|
42 |
Mo |
Molybdenum |
95.96(2) |
|
43 |
Tc |
Technetium |
[98] |
|
44 |
Ru |
Ruthenium |
101.07(2) |
|
45 |
Rh |
Rhodium |
102.90550(2) |
|
46 |
Pd |
Palladium |
106.42(1) |
|
47 |
Ag |
Silver |
107.8682(2) |
|
48 |
Cd |
Cadmium |
112.411(8) |
|
49 |
In |
Indium |
114.818(3) |
|
50 |
Sn |
Tin |
118.710(7) |
|
51 |
Sb |
Antimony |
121.760(1) |
|
52 |
Te |
Tellurium |
127.60(3) |
|
53 |
I |
Iodine |
126.90447(3) |
|
54 |
Xe |
Xenon |
131.293(6) |
|
55 |
Cs |
Caesium |
132.9054519(2) |
|
56 |
Ba |
Barium |
137.327(7) |
|
57 |
La |
Lanthanum |
138.90547(7) |
|
58 |
Ce |
Cerium |
140.116(1) |
|
59 |
Pr |
Praseodymium |
140.90765(2) |
|
60 |
Nd |
Neodymium |
144.242(3) |
|
61 |
Pm |
Promethium |
[145] |
|
|
At No |
Symbol |
Name |
Atomic Wt |
|
62 |
Sm |
Samarium |
150.36(2) |
|
63 |
Eu |
Europium |
151.964(1) |
|
64 |
Gd |
Gadolinium |
157.25(3) |
|
65 |
Tb |
Terbium |
158.92535(2) |
|
66 |
Dy |
Dysprosium |
162.500(1) |
|
67 |
Ho |
Holmium |
164.93032(2) |
|
68 |
Er |
Erbium |
167.259(3) |
|
69 |
Tm |
Thulium |
168.93421(2) |
|
70 |
Yb |
Ytterbium |
173.054(5) |
|
71 |
Lu |
Lutetium |
174.9668(1) |
|
72 |
Hf |
Hafnium |
178.49(2) |
|
73 |
Ta |
Tantalum |
180.94788(2) |
|
74 |
W |
Tungsten |
183.84(1) |
|
75 |
Re |
Rhenium |
186.207(1) |
|
76 |
Os |
Osmium |
190.23(3) |
|
77 |
Ir |
Iridium |
192.217(3) |
|
78 |
Pt |
Platinum |
195.084(9) |
|
79 |
Au |
Gold |
196.966569(4) |
|
80 |
Hg |
Mercury |
200.59(2) |
|
81 |
Tl |
Thallium |
204.3833(2) |
|
82 |
Pb |
Lead |
207.2(1) |
|
83 |
Bi |
Bismuth |
208.98040(1) |
|
84 |
Po |
Polonium |
[209] |
|
85 |
At |
Astatine |
[210] |
|
86 |
Rn |
Radon |
[222] |
|
87 |
Fr |
Francium |
[223] |
|
88 |
Ra |
Radium |
[226] |
|
89 |
Ac |
Actinium |
[227] |
|
90 |
Th |
Thorium |
232.03806(2) |
|
91 |
Pa |
Protactinium |
231.03588(2) |
|
92 |
U |
Uranium |
238.02891(3) |
|
93 |
Np |
Neptunium |
[237] |
|
94 |
Pu |
Plutonium |
[244] |
|
95 |
Am |
Americium |
[243] |
|
96 |
Cm |
Curium |
[247] |
|
97 |
Bk |
Berkelium |
[247] |
|
98 |
Cf |
Californium |
[251] |
|
99 |
Es |
Einsteinium |
[252] |
|
100 |
Fm |
Fermium |
[257] |
|
101 |
Md |
Mendelevium |
[258] |
|
102 |
No |
Nobelium |
[259] |
|
103 |
Lr |
Lawrencium |
[262] |
|
104 |
Rf |
Rutherfordium |
[267] |
|
105 |
Db |
Dubnium |
[268] |
|
106 |
Sg |
Seaborgium |
[271] |
|
107 |
Bh |
Bohrium |
[272] |
|
108 |
Hs |
Hassium |
[270] |
|
109 |
Mt |
Meitnerium |
[276] |
|
110 |
Ds |
Darmstadtium |
[281] |
|
111 |
Rg |
Roentgenium
|
[280] |
|
112 |
Uub |
Ununbium |
[285] |
|
113 |
Uut |
Ununtrium
|
[284] |
|
114 |
Uuq |
Ununquadium |
[289] |
|
115 |
Uup |
Ununpentium |
[288] |
|
116 |
Uuh |
Ununhexium |
[293] |
|
118 |
Uuo |
Ununoctium |
[294] |
|
