1. No category

Konstanter och omräkningsfaktorer
Internationellt (av Codata) rekommenderade värden baserade på mätresultat
tillgängliga 1986
Ljusets hastighet
Plancks konstant
Avogadros tal
Elektronens laddning
Faradays konstant
Elektronens massa
Protonens massa
Neutronens massa
Allmänna gaskonstanten
c
h
NA
e
F
me
mp
mn
R
= 2.99792⋅108 m⋅s-1
= 6.6261⋅10-34 J⋅s
= 6.0221⋅1023 mol-1
= 1.6022⋅10-19 C
= 96485 C⋅mol-1 = 96485 J⋅V-1⋅mol-1
= 9.10939⋅10-31 kg = 5.48580⋅10-4 u
= 1.67262⋅10-27 kg = 1.00728 u
= 1.67493⋅10-27 kg = 1.00866 u
= 8.3145 J⋅K-1⋅mol-1
= 0.083143 L⋅bar⋅K-l⋅mol-l
= 0.082058 L⋅atm⋅K-l⋅mol-l
= 62.364 L⋅Torr⋅K-1⋅mol-l
= 105 Pa = 105 N⋅m-2
= 1.01325 bar = 101.325 kPa
= 1/760 atm = 1.333224 mbar = 133.3224 Pa
= l0-10 m
= 10-3 m3
= (1/NA) g = l.6605⋅10-27 kg
= l.6022⋅10-19 J
= 273.15 K
1 bar
1 atm
1 Torr
1Å
1L
1u
1 eV
0 °C
Ekvivalenta energier
-1
E/kJ·mol
1.0
4.1840
96.49
6.022⋅1020
8.314⋅10-3
1.196⋅10-2
-1
E/kcal·mol
0.23901
1.0
23.061
1.4393⋅1020
1.9872⋅10-3
2.859⋅10-3
E/eV
0.010364
4.3364⋅10-2
1.0
6.242⋅1018
8.617⋅10-5
1.240⋅10-4
E/J
1.6605⋅1021
6.948⋅10-21
1.6022⋅10-19
1.0
1.3807⋅10-23
1.986⋅10-23
1
T/K
120.27
503.2
1.1604⋅104
7.243⋅1022
1.0
1.439
~
ν/cm
83.59
349.8
8066.0
5.034⋅1022
0.6950
1.0
-1
Elementen
Atomnummer
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
Beteckning
H
He
Li
Be
B
C
N
O
F
Ne
Na
Mg
Al
Si
P
S
Cl
Ar
K
Ca
Sc
Ti
V
Cr
Mn
Fe
Co
Ni
Cu
Zn
Ga
Ge
As
Se
Br
Kr
Rb
Sr
Y
Zr
Nb
Mo
Tc
Ru
Rh
Pd
Ag
Cd
In
Sn
Sb
Te
I
Xe
Atommassa
1,008
4,003
6,941
9,012
10,81
12,01
14,01
16,00
19,00
20,18
22,99
24,31
26,98
28,09
30,97
32,06
35,45
39,95
39,10
40,08
44,96
47,87
50,94
52,00
54,94
55,85
58,93
58,69
63,55
65,39
69,72
72,61
74,92
78,96
79,90
83,80
85,47
87,62
88,91
91,22
92,91
95,94
(98,91)
101,1
102,9
106,4
107,9
112,4
114,8
118,7
121,8
127,6
126,9
131,3
2
Svenskt namn
väte
helium
litium
beryllium
bor
kol
kväve
syre
fluor
neon
natrium
magnesium
aluminium
kisel
fosfor
svavel
klor
argon
kalium
kalcium
scandium
titan
vanadin
krom
mangan
järn
kobolt
nickel
koppar
zink
gallium
germanium
arsenik
selen
brom
krypton
rubidium
strontium
yttrium
zirkonium
niob
molybden
teknetium
rutenium
rodium
palladium
silver
kadmium
indium
tenn
antimon
tellur
jod
xenon
Engelskt namn
hydrogen
helium
lithium
beryllium
boron
carbon
nitrogen
oxygen
fluorine
neon
sodium
magnesium
aluminum
silicon
phosphorous
sulfur
chlorine
argon
potassium
calcium
scandium
titanium
vanadium
chromium
manganese
iron
cobalt
nickel
copper
zinc
gallium
germanium
arsenic
selenium
bromine
krypton
rubidium
strontium
yttrium
zirconium
niobium
molybdenum
technetium
ruthenium
rhodium
palladium
silver
cadmium
indium
tin
antimony
tellurium
iodine
xenon
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
Cs
Ba
La
Ce
Pr
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu
Hf
Ta
W
Re
Os
Ir
Pt
Au
Hg
Tl
Pb
Bi
Po
At
Rn
Fr
Ra
Ac
Th
Pa
U
Np
Pu
Am
Cm
Bk
Cf
Es
Fm
Md
No
Lr
Rf
Db
Sg
Bh
Hs
Mt
Ds
132,9
137,3
138,9
140,1
140,9
144,2
(146,9)
150,4
152,0
157,3
158,9
162,5
164,9
167,3
168,9
173,0
175,0
178,5
180,9
183,8
186,2
190,2
192,2
195,1
197,0
200,6
204,4
207,2
209,0
(210,0)
(210,0)
(222,0)
(223,0)
(226,0)
(227,0)
232,0
231,0
238,0
(237,0)
(239,1)
(241,1)
(244,1)
(249,1)
(252,1)
(252,1)
(257,1)
(258,1)
(259,1)
(262,1)
(261,1)
(262,1)
(263,1)
(264,1)
(275,1)
(268)
cesium
barium
lantan
cerium
praseodym
neodym
prometium
samarium
europium
gadolinium
terbium
dysprosium
holmium
erbium
tulium
ytterbium
lutetium
hafnium
tantal
volfram
rhenium
osmium
iridium
platina
guld
kvicksilver
tallium
bly
vismut
polonium
astat
radon
francium
radium
aktinium
torium
protaktinium
uran
neptunium
plutonium
americium
curium
berkelium
californium
einsteinium
fermium
mendelevium
nobelium
lawrencium
rutherfordium
dubnium
seaborgium
bohrium
hassium
meitnerium
darmstadtium
3
cesium
barium
lanthanum
cerium
praseodymium
neodymium
promethium
samarium
europium
gadolinium
terbium
dysprosium
holmium
erbium
thulium
ytterbium
lutetium
hafnium
tantalum
tungsten
rhenium
osmium
iridium
platinum
golod
mercury
thallium
lead
bismuth
polonium
astatine
radon
francium
radium
actinium
thorium
protactinium
uranium
neptunium
plutonium
americium
curium
berkelium
californium
einsteinium
fermium
mendelevium
nobelium
lawrencium
rutherfordium
dubnium
seaborgium
bohrium
hassium
meitnerium
darmstadtium
4
105
Db
59
Pr
91
Pa
104
Rf
58
Ce
90
Th
92
U
60
Nd
106
Sg
93
Np
61
Pm
107
Bh
75
Re
94
Pu
62
Sm
108
Hs
76
Os
95
Am
63
Eu
109
Mt
77
Ir
96
Cm
64
Gd
110
78
Pt
46
Pd
97
Bk
65
Tb
111
79
Au
47
Ag
98
Cf
66
Dy
112
80
Hg
48
Cd
99
Es
67
Ho
81
Tl
49
In
89
Ac
74
W
45
Rh
88
Ra
73
Ta
44
Ru
87
Fr
72
Hf
43
Tc
57
La
42
Mo
56
Ba
41
Nb
55
Cs
40
Zr
39
Y
13
3A
38
Sr
30
Zn
12
2B
37
Rb
29
Cu
11
1B
31
Ga
28
Ni
10
21
Sc
27
Co
9
8B
20
Ca
26
Fe
8
19
K
25
Mn
7
7B
13
Al
24
Cr
6
6B
12
Mg
23
V
5
5B
11
Na
22
Ti
4
4B
5
B
3
3B
4
Be
2
2A
3
Li
1
H
1
1A
100
Fm
68
Er
82
Pb
50
Sn
32
Ge
14
Si
6
C
14
4A
101
Md
69
Tm
83
Bi
51
Sb
33
As
15
P
7
N
15
5A
102
No
69
Tm
84
Po
52
Te
34
Se
16
S
8
O
16
6A
103
Lr
71
Lu
85
At
53
I
35
Br
17
Cl
9
F
17
7A
86
Rn
54
Xe
36
Kr
18
Ar
10
Ne
2
He
18
8A
Periodiska systemet