in the Periodic Series of the Elements, 

 Table (continued). 



109 



Group. 



Element. 



Melting-Point. 



Atomic Heat. 



II. a 



Beryllium. 



900? 



3-85 





Magnesium. 



780 



5932 





Zinc. 



4333 



5-971 





Cadmium. 



3207 



6-196 





Mercury. 



-38-85 



6-640 



II. 6 



Iron. 



1550 



6104 





Ruthenium. 



1950? 



6 203? 





Osmium. 



2500? 



5939 



III. 



*Boron. 

 Scandium. 

 5Tttrium. 



... 



2-717 



■ 





Lanthanum. 



800? 



6-165 



III. a. ... 



Aluminium. 



700? 



5-741 





Gallium. 



30-15 



5-822 





Indium. 



176 



6-469 





Thalli um, 



288 



6735 



IV. 



*Carbon (amorphous). 





2-448 





Silicon (amorphous). 



1200 ? 



49 





Germanium. 



900? 



5 32 





["Tin. 

 \ Lead. 



2327 . 



6-337 





326 



6-334 



IV. a. ... 



Titanium. 



2500? 



5-294 





Zirconium. 



1500 ? 



5-979 





Cerium. 



900? 



6-161 





Thorium. 





6-264 



IV. b. ... 



Cobalt. 



1500 



6148 





Khodium. 



1800? 



5-97 





Iridium. 



1950 



579 



V. 



Nitrogen. 



-160? 



3-40 





Phosphorus (white). 



44 



5-27 





Arsenic (cryst.). 



300? 



625 





f Antimony. 

 \ Bismuth. 



432 



6*155 





268-3 



627 



Y.a 



Vanadium. 



Niobium. 



Tantalum. 







VI. . . 



Oxygen. 



-100? 



3-47 





Sulphur (rhombic). 



114 5 



5-44 





Selenium (cryst.). 



250 



588 





Tellurium. 



455 



600 



VI. a. ... 



tChromium. 



2200? 



5-2? 





Molybdenum. 



2000? 



6-336 





Tungsten. 



1950 ? 



6-44 





Uranium. 



1700? 



6-72 



VI. ft. ... 



Nickel. 



1450 



6 32 





Palladium. 



1500 



610 





Platinum. 



1775 



6 04 



VII 



Fluorine. 









Chlorine. 



-102 



4-32 





Bromine. 



- 7-3 



6-72 





Iodine. 



114 



6-847 



VII. a... 



Manganese. 



2000? 



6-69 







The specific heats of both B and C rise rapidly with the temperature. 

 t W. Preyer's value for Cr is 6"2, which is entirely without foundation 

 though it will probably prove to be nearly correct. 



