110 



METALS AND THEIR COMBINATIONS. 



Lead, Pb = 206.5. Both words signify something heavy. 

 (Plumbum) 



Lithium, Li 



Magnesium, Mg 



7. 

 24. 



Manganese, Mn = 54. 



Mercury, Hg = 199.7 



(Hydrargyrum) 

 Molybdenum, Mo 

 Nickel, 



Platinum, 



Potassium, 

 (Kalium) 



Ni 

 Pt 

 E 



= 9.3 



Silver, 

 (Argentum) 

 Sodium, Na 



(Natrium) 



Ag = 107. 



From the Greek /U0of (litheios), stony. 

 From Magnesia, a town in Asia Minor, where mag- 

 nesium carbonate was found as a mineral. 

 Probably from magnesium, with the compounds of 



which it was long confounded , 

 From Mercury, the messenger of the Greek gods. 



Hydrargyrum means liquid silver. 

 95.5. From the Greek jwTdfltioe (molybdos), lead. 

 58. From the old German word nickel, which means 



worthless. 

 194.4. Platina is the diminutive of the Spanish word plata, 



silver. 



From pot-ash ; potassium carbonate being the chief 

 constituent of the lye of wood-ashes. Kali is the 

 Arabic word for ashes. 

 Both words signify white. 



= 23. 



Strontium, 



Tin, 



(Stannum) 



Zinc, 



St 

 Sn 



From soda-ash, or sod-ash, the ashes of marine plants, 

 which are rich in sodium carbonate. Natron is an 

 old name for natural deposits of sodium carbonate. 

 87.4. From Strontian, a village in Scotland, where stron- 

 tium carbonate is found. 

 117.7. Both words most likely signify stone. 



64.9. Most likely from the German zinn or tin, both metals 

 having been confounded with each other. 



Melting-points of metals. 



Fusible below the f Mercury, 

 boiling-point of -j Potassium 

 water I Sodium, 



f Lithium, 

 Tin, 



Bismuth, 

 Fusible below 

 red heat 



Unknown 



Cadmium, 



Lead, 



Zinc, 



Aluminium, 



Antimony, 



Barium. 



Calcium. 



Strontium. 



Arsenic. 



Magnesium red heat. 



