altomskole
/
Naturfag
Hjem
Fagstoff
Fremgang
Utforsk periodesystemet
Spill
Utforsk
Full
Standard
Symbol
Nummer
Navn
Tom
Blind
Heatmap
Grupper
Perioder
1
H
hydrogen
1.008
2
He
helium
4.003
3
Li
litium
6.940
4
Be
beryllium
9.012
5
B
bor
10.8
6
C
karbon
12.0
7
N
nitrogen
14.0
8
O
oksygen
16.0
9
F
fluor
19.0
10
Ne
neon
20.2
11
Na
natrium
23.0
12
Mg
magnesium
24.3
13
Al
aluminium
27.0
14
Si
silisium
28.1
15
P
fosfor
31.0
16
S
svovel
32.1
17
Cl
klor
35.5
18
Ar
argon
39.9
19
K
kalium
39.1
20
Ca
kalsium
40.1
21
Sc
scandium
45.0
22
Ti
titan
47.9
23
V
vanadium
50.9
24
Cr
krom
52.0
25
Mn
mangan
54.9
26
Fe
jern
55.8
27
Co
kobolt
58.9
28
Ni
nikkel
58.7
29
Cu
kobber
63.5
30
Zn
sink
65.4
31
Ga
gallium
69.7
32
Ge
germanium
72.6
33
As
arsen
74.9
34
Se
selen
79.0
35
Br
brom
79.9
36
Kr
krypton
83.8
37
Rb
rubidium
85.5
38
Sr
strontium
87.6
39
Y
yttrium
88.9
40
Zr
zirkonium
91.2
41
Nb
niob
92.9
42
Mo
molybden
96.0
43
Tc
technetium
98.0
44
Ru
ruthenium
101.1
45
Rh
rhodium
102.9
46
Pd
palladium
106.4
47
Ag
sølv
107.9
48
Cd
kadmium
112.4
49
In
indium
114.8
50
Sn
tinn
118.7
51
Sb
antimon
121.8
52
Te
tellur
127.6
53
I
jod
126.9
54
Xe
xenon
131.3
55
Cs
cesium
132.9
56
Ba
barium
137.3
57
La
lantan
138.9
58
Ce
cerium
140.1
59
Pr
praseodym
140.9
60
Nd
neodym
144.2
61
Pm
promethium
145.0
62
Sm
samarium
150.4
63
Eu
europium
152.0
64
Gd
gadolinium
157.3
65
Tb
terbium
158.9
66
Dy
dysprosium
162.5
67
Ho
holmium
164.9
68
Er
erbium
167.3
69
Tm
thulium
168.9
70
Yb
ytterbium
173.0
71
Lu
lutetium
175.0
72
Hf
hafnium
178.5
73
Ta
tantal
180.9
74
W
wolfram
183.8
75
Re
rhenium
186.2
76
Os
osmium
190.2
77
Ir
iridium
192.2
78
Pt
platina
195.1
79
Au
gull
197.0
80
Hg
kvikksølv
200.6
81
Tl
thallium
204.4
82
Pb
bly
207.2
83
Bi
vismut
209.0
84
Po
polonium
209.0
85
At
astat
210.0
86
Rn
radon
222.0
87
Fr
francium
223.0
88
Ra
radium
226.0
89
Ac
actinium
227.0
90
Th
thorium
232.0
91
Pa
protactinium
231.0
92
U
uran
238.0
93
Np
neptunium
237.0
94
Pu
plutonium
244.0
95
Am
americium
243.0
96
Cm
curium
247.0
97
Bk
berkelium
247.0
98
Cf
californium
251.0
99
Es
einsteinium
252.0
100
Fm
fermium
257.0
101
Md
mendelevium
258.0
102
No
nobelium
259.0
103
Lr
lawrencium
266.0
104
Rf
rutherfordium
267.0
105
Db
dubnium
268.0
106
Sg
seaborgium
269.0
107
Bh
bohrium
270.0
108
Hs
hassium
269.0
109
Mt
meitnerium
278.0
110
Ds
darmstadtium
281.0
111
Rg
røntgenium
282.0
112
Cn
copernicium
285.0
113
Nh
nihonium
286.0
114
Fl
flerovium
289.0
115
Mc
moscovium
289.0
116
Lv
livermorium
293.0
117
Ts
tenness
294.0
118
Og
oganesson
294.0
Alkalimetaller
Jordalkalimetaller
Overgangsmetaller
Andre metaller
Halvmetaller
Ikke-metaller
Halogener
Edelgasser
Lantanoider
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