Basiskennis chemie/Periodiek systeem in 1869

De elementen die 1869 bekend waren in het periodiek systeem.
1
Ia
18
0
1 H
1.0
2
IIa
13
IIIa
14
IVa
15
Va
16
VIa
17
VIIa
2 Li
6.9
Be
9.0
B
10.8
C
12.0
N
14.0
O
16.0
3 Na
23.0
Mg
24.3
3
IIIb
4
IVb
5
Vb
6
VIb
7
VIIb
8
VIIIb
9
VIIIb
10
VIIIb
11
Ib
12
IIb
Al
27.0
Si
28.1
P
31.0
S
32.1
Cl
35.5
4 K
39.1
Ca
40.1
Ti
45.0
V
50.9
Cr
52.0
Mn
54.9
Fe
55.9
Co
58.9
Ni
58.7
Cu
63.6
Zn
65.4
As
74.9
Se
79.0
Br
79.9
5 Rb
85.5
Sr
87.6
Y
88.9
Zr
91.2
Nb
92.9
Mo
95.9
Ru
101.1
Rh
102.9
Pd
106.4
Ag
107.9
Cd
112.4
In
114.8
Sn
118.7
Sb
121.8
Te
127.6
I
126.9
6 Cs
132.9
Ba
137.3
*
Ta
180.9
W
183.9
Os
190.2
Ir
192.2
Pt
195.1
Au
197.0
Hg
200.6
Tl
204.4
Pb
207.2
Bi
209.0
7 **
*Lanthaniden La
138.9
Ce
140.1
Sm
150.4
Tb
159.9
Er
167.3
**Actiniden Th
232.0
U
238.0
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