Atoomnummer
|
Symbool
|
Naam |
Atoommassa
(g/mol) |
1 |
H |
waterstof
|
1,007 94 |
2 |
He |
helium |
4,002 602 |
3 |
Li |
lithium |
6,941 |
4 |
Be |
beryllium |
9,012 182 |
5 |
B |
boor, borium
|
10,811 |
6 |
C |
koolstof
|
12,011 |
7 |
N |
stikstof
|
14,006 74 |
8 |
O |
zuurstof
|
159,994 |
9 |
F |
fluor
|
18,998 4032 |
10 |
Ne |
neon |
201,797 |
11 |
Na |
natrium |
22,989 768 |
12 |
Mg |
magnesium |
24,305 |
13 |
Al |
aluminium
|
26,981 539 |
14 |
Si |
silicium
|
280,855 |
15 |
P |
fosfor
|
30,973 762 |
16 |
S |
zwavel
|
32,066 |
17 |
Cl |
chloor
|
354,527 |
18 |
Ar
|
argon |
39,948 |
19 |
K |
kalium
|
390,983 |
20 |
Ca |
calcium |
40,078 |
21 |
Sc |
scandium |
44,955 91 |
22 |
Ti
|
titanium, titaan
|
47,88 |
23 |
V |
vanadium |
509,415 |
24 |
Cr |
chroom
|
519,961 |
25 |
Mn |
mangaan
|
54,938 05 |
26 |
Fe |
ijzer
|
55,847 |
27 |
Co |
kobalt
|
589,332 |
28 |
Ni |
nikkel
|
58,69 |
29 |
Cu |
koper
|
63,546 |
30 |
Zn |
zink
|
65,39 |
31 |
Ga |
gallium |
69,723 |
32 |
Ge |
germanium |
72,61 |
33 |
As |
arseen
, arsenicum
|
74,921 59 |
34 |
Se |
seleen
, selenium |
78,96 |
35 |
Br |
broom |
79,904 |
36 |
Kr |
krypton |
83,8 |
37 |
Rb
|
rubidium |
854,678 |
38 |
Sr |
strontium |
87,62 |
39 |
Y |
yttrium |
88,905 85 |
40 |
Zr
|
zirkonium
, zirkoon
|
91,224 |
41 |
Nb
|
niobium |
92,906 38 |
42 |
Mo |
molybdeen
, molyndenium
|
95,94 |
43 |
Tc |
technetium |
989,063 |
44 |
Ru |
ruthenium |
101,07 |
45 |
Rh |
rodium
|
1,029,055 |
46 |
Pd |
palladium |
106,42 |
47 |
Ag |
zilver
|
1,078,682 |
48 |
Cd |
cadmium |
112,411 |
49 |
In |
indium |
114,82 |
50 |
Sn |
tin |
118,71 |
51 |
Sb |
antimoon
|
121,75 |
52 |
Te
|
telluur
, tellurium |
127,6 |
53 |
I |
jood
, jodium
|
126,904 47 |
54 |
Xe
|
xenon |
131,29 |
55 |
Cs |
cesium |
132,905 43 |
56 |
Ba |
barium |
137,327 |
57 |
La |
lanthaan
|
1,389,055 |
58 |
Ce |
cerium |
140,115 |
59 |
Pr
|
praseodymium |
140,907 65 |
60 |
Nd |
neodymium |
144,24 |
61 |
Pm |
promethium |
1,469,151 |
62 |
Sm
|
samarium |
150,36 |
63 |
Eu |
europium |
151,965 |
64 |
Gd
|
gadolinium |
157,25 |
65 |
Tb |
terbium |
158,925 34 |
66 |
Dy |
dysprosium |
162,5 |
67 |
Ho |
holmium |
164,930 32 |
68 |
Er
|
erbium |
167,26 |
69 |
Tm |
thulium |
168,934 21 |
70 |
Yb
|
ytterbium |
173,04 |
71 |
Lu |
lutetium |
174,967 |
72 |
Hf |
hafnium |
178,49 |
73 |
Ta |
tantaal
, tantalium
|
1,809,479 |
74 |
W |
wolfraam
|
183,85 |
75 |
Re |
renium
|
186,207 |
76 |
Os
|
osmium |
190,2 |
77 |
Ir
|
iridium |
192,22 |
78 |
Pt |
platina |
195,08 |
79 |
Au |
goud
|
196,966 54 |
80 |
Hg |
kwik
|
200,59 |
81 |
Tl |
thallium |
2,043,833 |
82 |
Pb |
lood
|
207,2 |
83 |
Bi |
bismut
|
208,980 37 |
84 |
Po |
polonium |
2,089,824 |
85 |
At |
astaat
|
2,099,871 |
86 |
Rn |
radon |
2,220,176 |
87 |
Fr |
francium |
2,230,197 |
88 |
Ra |
radium |
2,260,254 |
89 |
Ac |
actinium |
2,270,278 |
90 |
Th |
thorium |
2,320,381 |
91 |
Pa |
protactinium |
2,310,359 |
92 |
U |
uranium, uraan
|
2,380,289 |
93 |
Np |
neptunium |
2,370,482 |
94 |
Pu |
plutonium |
2,440,642 |
95 |
Am |
americium |
2,430,614 |
96 |
Cm |
curium |
2,470,703 |
97 |
Bk |
berkelium |
2,470,703 |
98 |
Cf
|
californium |
2,510,796 |
99 |
Es |
einsteinium |
2,520,829 |
100 |
Fm
|
fermium |
2,570,951 |
101 |
Md |
mendelevium |
2,580,986 |
102 |
No |
nobelium |
2,591,009 |
103 |
Lr
|
lawrencium |
2,601,053 |
104 |
Rf |
rutherfordium |
2,611,087 |
105 |
Db |
dubnium |
2,621,138 |
106 |
Sg |
seaborgium |
2,631,182 |
107 |
Bh
|
bohrium |
2,621,229 |
108 |
Hs |
hassium |
265 |
109 |
Mt |
meitnerium |
266 |
110 |
Ds |
darmstadtium
|
269 |
111 |
Rg
|
röntgenium
|
272 |
112 |
Cn |
copernicium |
277 |
113 |
Nh |
nihonium
|
284 |
114 |
Fl |
flerovium |
289 |
115 |
Mc |
moscovium
|
295 |
116 |
Lv
|
livermorium |
297 |
117 |
Ts |
tennessine
|
291 |
118 |
Og
|
oganesson
|
293 |