308 



SCIENTIFIC RECREATIONS. 



themselves. The list is as follows. The non-metallic elements are 

 " metalloids." We have omitted fractions from the weights, on which 

 chemists differ. 



TABLE OF ELEMENTS WITH THEIR CHEMICAL SYMBOLS AND 

 COMBINING WEIGHTS. 



Non-Metallic Elements. 



Symbols. 



Name. Symbols. 



Aluminium . . Al 



Antimony (Stibium) . Sb 



[Arsenic] . . .As 

 Barium .... Ba 



Bismuth . . . . Bi 



Cadmium . . . . Cd 



Caesium . . . . Cs 



Calcium . . . . Ca 



Cerium . . . . Ce 



Chromium . . . Cr 



Cobalt . . . .Co 



Copper . . . . Cu 



Didymium . D 



Erbium . . . . E 



Gallium . . . * Ga 



Glucinum . ... Gl 



Gold . . . . Au 



Indium . ' .In 



Indium * * . . Ir 



Iron . . . . Fe 



Lanthanum . .La 



Lead ' . . . . Pb 



Lithium . . . .Li 



Magnesium . . . Mg 



Manganese . . . Mn 



Atomic or 

 Combining 

 Weights. 



16 . 



i . 



14 . 



35 



. 127 . 



19 . 



12 . 



32 . 



31 



75 - 



28 . 



ii . 



79 

 . 129 . 



80 . 



METALS. 



Atomic or 

 Combining 

 Weights. 



27 . 

 122 



. .... 75 



. 137 . 



210 

 112 



133 



40 



. 141 - 



52 . 



. 5 8 . 



. 6 3 . 



147 



70 



9 



. 197 . 



. H3 



. 198 . 



. 56 



139 

 . 207 . 



7 



24 . 



55 



Derivation of Name. 



Gr. Oxus, acid ; gennao, to make, 



Gr. Udor, water ; gennao, to make. 



Gr. Natron, nitre ; gennao, to make. 



Gr. Chloros, green. 



Gr. loeides, violet. 



Fluor spar, the mineral. 



Lat. Carbo, coal. 



Lat. Sulphurium. 



Gr. Phos, light ; pherein, to carry. 



Gr. Arsenicon, potent. 



Gr. Silex, flint. 



Gr. Borax, Arab., baraga, to shine. 



Gr. Selene, the moon. 



Lat. Tellus, the earth. 



Gr. Bromos, offensive smell. 



Derivation. 



Lat. Alumen, alum. 



Gr. Anti, against ; minos, one. 



(Not known.) 



Gr. Barsu, heavy. 



Ger. Weissmuth, white matter. 



Gr. Cadmeia, calamite. 



Lat. Cassius, sky-blue. 



Lat. Calx, lime. 



The planet Ceres. 



Gr. Chroma, colour. 



Ger. Kobald, a sprite. 



Lat. Cuprum (Cyprium), Cyprus.. 



Gr. Didumos, twins. 



Ytterby in Sweden. 



(Not known.) 



Gr. Glukos, sweet. 



From Hebrew, to shine (doubtful)} 



Indigo colour. 



Gr. Iris, rainbow. 



Hebrew, to meet (doubtful). 



Gr. Lanthanein, to lie hid. 



(Plumbum) malubodos (galena). 



Gr. Lithos, stone. 



Magnesia, Asia Minor. 



Mangana, E. I. (or Magnesia).. 



* Arsenic is sometimes considered a non-metallic and sometimes a metallic substance. 



