130 



METALS AND THEIE COMBINATIONS. 



Lead, Pb 



(Plumbum.) 



Lithium, Li 



Magnesium, Mg 



= 206.4. Both words signify something heavy. 



7.0], 

 24.3. 



54.8. 

 199.8. 



Mercury, Hg 



(Hydrargyrum ) 



Molybdenum, Mo 



Nickel, Ni 



Platinum, Pt = 194.3. 



39.03. 



Potassium, K 

 (Kalium.) 



Silver, Ag 



(Argentum.) 



Sodium, Na 



(Natrium.) 



107.66. 

 23.0. 



Strontium, Sr = 87.3. 



Tin, Sn = 118.8. 



(Stannum.) 



Zinc, Zn = 65.1. 



From the Greek M6eio<; (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. 

 From the Greek nohvfidog (molybdos), lead. 

 From the old German word nickel, which means 



worthless. 

 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. 



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. 



From Strontian, a village in Scotland, where stron- 

 tium carbonate is found. 



Both words most likely signify stone. 



Most likely from the German zinn or tin, the metals 

 having been confounded with each other. 



Melting-points of metals. 



Fusible below the f Mercury 

 boiling-point of { Potassium 



.,..4 .. I Qj"is3 ?11WV* 



water, 



Fusible below red 

 heat, 



Unknown, 



[ Sodium 

 f Lithium . 

 | Tin . . 



Cadmium . 



Bismuth . 



Lead 



Zinc . 



Magnesium 



Antimony 



Aluminum 



Barium. 



Calcium. 



Strontium. 



Arsenic. 



