CHEMISTRY. 





alkali metal* toward ammonia, displacing one atom 

 Though not so energetic as in the case of lithium, 



at to between SUO* and 



'mi ajal 



il n. 



partly dissolve- in a deep-blue - ,,.,,., i,. 



f ammonia. HuhidaiftHt crystal) ijrs in 



III Miiderompox 



f amiiiotiin. With wi. r 

 ninmoiiia and 



behe> 

 rganic substances is very similar to that 



compounds was observed by Mr. Titherfey invaria- 



iu> -limn, re- 



ttionia. while the ^--. 



rwanl n- 



itim-nt with 



tai 



a on 



.; a w r 



I.:- -I taMfl 



t;. I, -.f pod 



, Sodiu 



tox 



\ 



M liritrht oi 



i ! \ . r ' - "i i i ' i - \* ! : 



| r. | MM l.\ II . . 



mid with 

 ith orpanii- an i idea are 



nitrate, 



re x 



* and the dirti- 

 iin compounds 



appen with alkyl io<: hr author 



ides thnt ' ttid -"iiuin ntoma, reapao- 



nitrfu'fii. and thnt 

 an- to U- rt'preamtad aa 



illiam 



-llllll! < 



N.-l with <MHliutn 

 The 

 d with 

 Is haviin; t 



N air almost t roua. ap|rrnt IT 



ilatea. iMift. and I- 



at 140 a 

 ratlin- than thnt at which the nuhatanca 



>! \ : 



iieiblea of 



I, r platinum. 



iropen ire 

 nxie at at |r 



iminntiia -traxine : N.ll. 



' ,. ammonium nitridr: ntid N,ll. 



All tlu-M* MiUt.-u, 

 ammonia an- .-f impnmti\elv NOanl !> 



ur knowledge of most of them to due to Theo- 



dorC-orUus. In MM Cortias bagaa A iariac of TO- 

 aaarefcat on amulo-c uU. m the coorat of which he 

 obtained sulphate of bydraxine ^fvt other aalla. 

 torn attibMniBiii . . -.:.. . -..- - ' , 

 nrnffbaasa, Tbe hydraU 



," f, .,::..- .. . . . .. 



and b a oolofiavfumbur liquid, wttiek boife at 1 

 destroys oork and India-rubber, and is a j 



ing agent ai. 

 > ac- Bruyn isolated free hydraxine by urmiaem which 



hare been described in the - Ann 

 This substance ia one of U, 



t;., aejd rtfc 



r:,V,,. . < 



moiiium salta, forms two aeries of salt* . 

 aid has important condensations with aldehydes 

 Othei MUM* i ; prej , i m 



PMMMMLT1 -.. & fSm 

 nl^l hy < urtioa fe a colorleai liquid 

 w ith an untiearabfe odor, boiling at IT ('.. capabfe 

 MI h alcohol and water, and is frightfully 



. : ... !. - . > . -. -. 



bloric acid, except that they are 



and mi. M... M. - the 



most .. tl . H -ride, 



crrrstailine substaace vl 

 like gun cotton, burning quietly oa 

 flan* -ding on detonation or i 



lysis of a mitt r sulphide 



and - nde in an atmusph< 



using plat um. Theo- 



: in th- liquid a dark-gray powder 



.!. a'|ua repa and in ammonia. Melting 



thin with nlUlin.- rnrl-'iint.. a MI hetance resulted 



r..hl..ric acid. 

 tale With 



was thu- in!. new element, tu w 



author pivr tin- nat: .m. A corresnood- 



ing loss of sulphur nnd also of chlorine 



in a less degree, the author infer* that 

 formed by the decomposition of one of these sub- 

 stances. 



In a paper on "The Chemistry of Methvlene,** read 

 in tl 

 cage. * obtained in studies of 



! containing drad-carbon. The 

 has obtained a series of renr unstable 



has obtained a series or 



. he regards as acetrlidene derir.t 



ar. in it - properties a remarkable nemhlancs 

 rietable phosphorus." It sbioea in the dark. 





regetabk plsejpkofm 1 



burns on exposure to the air. 

 poison in the same way as 



Naphthalrnetetrn 

 pound to naphthalene tetrachk 

 has been 

 Orrtdorff nnd (\ H. Merer by treating 



it- n ^tance. melt infr at* 1. 



mpound could be obtained. The 

 molecular weight was deduced only indirrctlr. and 

 thi. and by analysis the composition of the 

 substance was found to be (',,H.Hr,. 



Purr c- has been prepared 



Mot wan by heating pure iron for throe min- 

 utes in a carbon crucible with a current of 000 am- 

 pirce, at 000 rolta. and coolinj: a* rai 

 bf taking the mass from the furnace and pourinc 

 water. The inpi a cnrstal- 





..turr. and contains! fn m 3 to 4 per cent. 



nhined caH^n. but no graphite. Prom this 



the carbide was sepratod in brilliant crystals of 



v the composition FeC. Water has no action 



substance, even at ut hydro- 



