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By Henry E Roscoe; Carl Schorlemmer; John Cannell Cain; Charles Henry Jeens; Bernard Mouat Jones

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0 S Se Te ^|£ 1 35*37 79*75 a™,i,«i Symbol. Nitrogen . N =» Phoaphorua . P = Arsenic . As » = 126*53 •= 19*1 = a « m 16*96 31*98 79*0 128*0 Boron. . B - 11-0 Carbon . C » 11*97 Silicon . Mi = 28*0 I I . - -METALS. Manganese. Mn « « 39*04 Iron . . Fe - 22*99 7-01 (Jobalt . Co *= Nickel . Ni = 85*2 - 132f» Chromium . Cr » Molybdenum. Mo = Calcium . Ca « 39-9 Tungsten. W = Strontium. Sr = 87-2 Uranium . TJ « Barium. Ba =• 136-8 Potassium. Sodium. Lithium . KubidiuBi. Caesium . Atomic mi^u 14-01 3tt*96 74*9 K Na Li Eb Cu 54*8 55*9 58-6 58-6 52-4 95-8 183-5 240-0 Berylliuin , Be Magnesium Mg Zinc.

103-5 . 79-0 . 107-66 . 28-0 . 2299 . 87-2 . 3198 . 182-0 . 128-0 . 148-5 . 203-6 . 231-5 117-8 . 480 . 183-5 . 240-0 . 512 . 92-5 64-9 . 90-0 NAMES OF THE KLEMENTS. £3 In addition to the above the existence of several other elements, discovered in certain rate Norwegian and American minerals, has been announced. These, however, have not as yet been very perfectly investigated, and their atomic weights and chemical, relationships remain undetermined. For the sake of convenience it is customary to divide the elements into two classes—the Metals and the Non-Motak, or Metalloids, a distinction which was first made about the time of Lavoisier, when only a few elements were known.

The inquiry/' he continues, "into the relative weights of the ultimate particles of bodies is a subject, as far as I know, entirely new; I have lately been prosecuting this inquiry with remarkable success. " JhOm'a First Table of the Motive Weighty of the Ultimate Particles of Gaseous and other Bodies. Hydrogen..... A20t Carbon...... Ammonia . . . Oxygen Water Phosphorus . . Phosphuretted hydrogen Nitrous gas . . Kther Gaseous oxide of carbon 1 4-2 4-3 5*2 6*5 6-6 7*2 8*2 9*3 9*6 9*8 Nitrous oxide .

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A treatise on chemistry by Henry E Roscoe; Carl Schorlemmer; John Cannell Cain; Charles Henry Jeens; Bernard Mouat Jones

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