PRINCIPLES OF CHEMISTRY

VOL. II.

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SPOTTISWOODE AND CO., NEW-STREET SQUARE

LONDON

1400° 012 7-8

7.2
6.8

51
Cr 52
Mn 55
Fe 56
581

la lla

4* 5*

4* 5* 6* 5*

2+

3+

3 4 5

2 3
2+ 3 4

5111

6*

2.0

3:06

16.3

+ 2.6

1.8

39

10

[8] [9] [10]

0.917 19-6<-20

15 - 9

7

6* 7*

2+ 3

Dobalt To there are 14Vieles antig. It is probable that certain of the rare elements which have been discovered, but
are as yet insufficiently investigated, enter into these interspaces.

[7] Shows the composition of the saline oxides forming bases, acids, and salts (therefore the oxides. Cando and
do not directly form salts, do not enter into this categorn. Fran

salts; whilst the oxide S,O,, which does not exist in a free state, gives the hydrate H,S,O, and salts of dithionic acid; the also corresponds with the thiosulphates M,S,O. The symbol + affixed to a number shows that the oxide is

formula 8.0.