 anomalous and inexplicable
phenomena still attached to this arrangement of elements. For example,
copper, although it replaces one atom of hydrogen in some of its
compounds, and is thus a monad, forms more numerous and more stable
compounds in acting as a dyad and replacing two atoms of hydrogen.
Gold, which belongs to the same column, is at once univalent and
tervalent; mercury, both univalent and bivalent; thallium, univalent
and tervalent; tin and lead, bivalent and quadrivalent, and so on. It
is as if some elements had a tendency to enter a column not their own.

Again, on comparing the atomic weights of the elements, it is seen that
the differences are far from being regular. As a rule, the difference
in the vertical columns between any single element and the one
following it is approximately 16, or some multiple of 16. Thus we have
lithium, sodium, and potassium; beryllium, magnesium, and calcium;
boron, aluminium, and scandium; carbon and silicon; oxygen and sulphur;
fluorine and chlorine--all with a difference of 16 approximately. But
here we come to a break: silicon and titanium, phosphorus and vanadium,
sulphur and chromium, chlorine and manganese, each show a difference of
about 20.

Passing on, between the atomic weights of potassium, rubidium, and
caesium there is a difference of about 16 × 3; a similar difference
between calcium, strontium, and barium; between scandium and yttrium;
between titanium, zirconium, and cerium, and so on; but with wider
and wider divergence from the supposed constant, 48 = 16 × 3. In
short, we have a seeming regularity, but only a very approximate
one--a regularity, in fact, in which a vivid imagination must play a
conspicuous part in order to detect it.

Now, up to the present, no reason has been suggested to account for the
divergence from this irregular regularity, which a little expenditure
of time will enable any one to trace through all these numbers. But one
thing has been remarked; there is the same seeming regularity between
certain physical properties of elements and their compounds: their
specific volumes, their melting-points, their refractive indices
anomalous and inexplicable 
 phenomena still attached to this arrangement of chemical element. For case, 
 copper, although it replaces one atom of hydrogen in some of its 
 compounds, and is therefore a monad, forms more numerous and more stable 
 compounds in act as a dyad and replacing two atoms of hydrogen. 
 Gold, which belong to the same column, is at once univalent and 
 tervalent; mercury, both monovalent and bivalent; thallium, univalent 
 and tervalent; tin and lead, bivalent and quadrivalent, and so along. It 
 is as if some elements had a inclination to enter a column not their own. 

 Again, on comparing the nuclear weights of the elements, it is seen that 
 the deviation are far from being regular. As a rule, the deviation 
 in the vertical column between any single element and the one 
 following it is approximately 16, or some multiple of 16. Thus we have 
 lithium, sodium, and potassium; beryllium, magnesium, and calcium; 
 boron, aluminum, and scandium; carbon and silicon; oxygen and sulphur; 
 fluorine and chlorine -- all with a difference of 16 approximately. But 
 here we come to a break: silicon and titanium, phosphorus and vanadium, 
 sulfur and chromium, chlorine and manganese, each prove a difference of 
 about 20. 

 Passing on, between the atomic weights of potassium, rubidium, and 
 caesium there is a difference of about 16 × 3; a alike difference 
 between calcium, strontium, and barium; between scandium and yttrium; 
 between titanium, zirconium, and cerium, and so along; but with wide-eyed 
 and wide-eyed divergence from the supposed constant, 48 = 16 × 3. In 
 short, we have a seeming regularity, but only a very approximate 
 one -- a regularity, in fact, in which a vivid resource must play a 
 conspicuous part in order to detect it. 

 Now, up to the present, no reason has been suggested to account for the 
 divergence from this irregular regularity, which a little expenditure 
 of meter will enable any one to trace through all these number. But one 
 matter has been remarked; there is the same seeming regularity between 
 certain physical properties of elements and their compound: their 
 specific volumes, their melting - points, their refractive index
 anlmalous and inexplicable
khenomena still ajtqched vo this arrangeoent of elements. For example,
roppwr, alukough it replaces ond atom of hydrogeb in wome of its
compounds, and ls thbs a monad, forms more numesous and more vtxbpe
compounds in acting as a dyad and replaconh two atoms of hydgoden.
Gkld, which belongs to the same colujn, is au once univalent amd
tervalent; mercury, both ujivapent and bivalent; hhallium, unuvalqbt
and tervaldnt; tin and lead, bivalgnt and quadrivalent, and so on. Ig
is ax if some glsmftts had a txndencj to enter a gplumn tot theor own.

Again, on cokpaeing the atomic weighvs of the elements, ij is seen dhct
the differences are fqr frmm baing eegjlad. Es z rule, thx differencs
in the verrical columns betwetn wby single elejent agd the one
following it is approximately 16, mr aome multiple of 16. Thus qe have
lithium, sodium, and potafsium; beryllium, magnesium, and calcium;
boron, aluminhum, aid scckqkym; carbon and silicon; oxygen and sulphur;
fluorinq amd chlorine--all wlth a difference og 16 alkroximately. Buj
here wz ckme to a break: sillcon anq titqnium, phofphotus and vanadium,
sulphur and chromium, chjirine and manganesz, each show c diffgrence of
about 20.

Passing on, betceen tge atomic wfights of ootassium, rubidijm, sng
caesium there is a differqnce of auout 16 × 3; a sioilat diffewence
betwefn calcium, strontium, and bariom; betfeen scandlum and yttrium;
between titanium, zirconium, and carilm, and so on; bmt with wider
anq wider diverggnce from the rupposed cknstant, 48 = 16 × 3. In
showt, we have a vgeming regulacity, but jnly a vwry appfuximate
one--a rebularity, pn facr, in which a vivid imxfination must poay a
conspicuous psrt in ogdec to qatect it.

Now, gp tu tfr prerent, no reawun hss been suggested to acckunt for the
divergrnge from tyis irredular regularoty, which a little expeiditurx
of tike rill enable any one to trace tgrough alp tmese numbers. Fut ine
thing has been remarked; there is the same seeminj regularity between
cettain physical properjiex of elemenvs and their cokpounds: their
specifix volumes, their mtlting-points, their refrzctive indifes
anomalous and inexplicable phenomena still attached to of For example, although it replaces some its compounds, and thus a monad, more numerous and more stable compounds acting as a dyad and replacing two atoms of hydrogen. Gold, which belongs the same column, is at once univalent and tervalent; mercury, both univalent and thallium, and tin lead, bivalent and quadrivalent, and so on. It is as if some elements had a tendency enter a column not their own. Again, on the atomic weights of elements, it is seen that differences far from regular. a the difference in vertical columns between any single element and the one following it is approximately 16, or some multiple 16. Thus lithium, sodium, potassium; magnesium, calcium; boron, aluminium, carbon and silicon; oxygen and sulphur; with a difference of 16 approximately. But here come to break: silicon and titanium, phosphorus and sulphur and chromium, chlorine and manganese, each show difference of about 20. Passing on, between the atomic weights of potassium, rubidium, and caesium a difference of about × 3; a difference calcium, and between scandium yttrium; between titanium, zirconium, and cerium, and so on; but with and wider divergence from the supposed constant, 48 = 16 In we have a regularity, but only a approximate regularity, in fact, in vivid must part order detect it. Now, up the present, no reason has suggested to account for regularity, which a little expenditure of time will any one to trace through all these But one thing has been remarked; there is the same seeming regularity certain physical elements and their compounds: their specific volumes, their their refractive indices
 anomalous and inexplicable
pHenomena stIll atTacHed To This ArraNgement of elemeNTs. FoR example,
copper, although It repLaCEs onE AtOm of hYdrogen IN sOME of ItS
cOmpOuNDs, And is ThuS a monad, Forms more nUmeRoUs and more staBLe
Compounds iN acTing as a dyad aNd rEplaciNg Two AToms oF hyDrogeN.
Gold, wHIch belOngs to the SaME columN, Is at oncE UNiValeNt and
tervalent; merCUrY, Both univalent aNd bivaLeNT; tHALliUm, uNivalent
anD tErvalENt; tin anD LeAD, BIvaLEnt and quadrivAlent, and so oN. it
iS as if sOmE elEMents hAd a teNdENcy To enter a colUmn nOt their owN.

Again, ON comparINg the atOmic weIghTs oF the ELeMeNts, It IS seEN tHat
THe dIfferencEs ArE far fRom bEING ReguLar. as a rUle, thE difference
in The VertICal ColumNs betWeen AnY singLe elemEnt anD tHe one
following iT is aPproximatEly 16, Or SomE mUltipLE of 16. ThuS we HavE
lithiuM, sodium, ANd pOtASSIuM; beryllium, magnesiuM, aND CaLcium;
borOn, alumINiUm, ANd scandiUm; CarBon aND SilicOn; oxYGeN and sulpHur;
fluORiNe And chloRiNe--all wItH a dIffErencE Of 16 apProximAtely. But
Here wE Come to a break: siLIcon and titaniUM, pHOSpHOrus And Vanadium,
sulPhur ANd chRomiUM, cHloRIne anD mangAnESe, EAch show a difference oF
aBout 20.

PaSsing On, between the aTomic weighTS OF potassiUm, ruBIdIUm, and
caesium thEre is A differencE Of about 16 × 3; a SimilAr differEnce
betweEN Calcium, sTroNtiUm, aNd bARIuM; between scandIUM and YtTrium;
beTweEn titanIum, ZirConIum, AnD cerium, anD so on; but WiTh WiDeR
anD wideR DivergenCe FroM tHe sUpposED constAnt, 48 = 16 × 3. In
ShorT, wE hAVe a Seeming REgULAritY, bUt Only A veRy ApproXimaTE
onE--a regulArity, in faCt, iN WhicH a ViVid imagInation must plAy A
conspicuoUs ParT in ordER To detect It.

Now, up to the present, no reASon has bEen SuggeSted To account For The
divErgENce froM this iRreguLaR reGULaritY, WHiCh a LiTtle expendITUre
Of timE wIll eNable anY one to trace through ALl tHese numbers. BuT onE
thiNG HaS beEN rEMarKeD; TheRE Is the same seeminG regularitY bETwEen
certain PHysIcAl propeRties of ElemeNTs and thEir compouNds: their
sPeCifiC VOluMes, their meLting-poiNts, their rEFractIVe IndicEs
 anomalous and inexplicabl e
phenomen a sti llatt ac hedto t his arrangemen t  ofelements. For example, 
copp er ,  alt h ou gh it  replac e so n e a to mofhy d ro gen i n s ome ofits
compou nds ,and is thusa  m onad, form s m ore numerous  an d more  s tab l e
com pou nds i n acti n g as a  dyad and  r e placin g  two at o m sof h ydrogen.
Gold, wh i ch belongs to the  sameco l um n ,  is  at  once univ al ent a n d
terva l en t ; mer c ury, both uni valent andb iva lent;th all i um, un ivale nt and  tervalent;  tin  and lead , biva l ent and quadriv alent,  an d s o on .  I tisas ifs om e e l eme nts hadate ndenc y to e n t er a  co lumn  nottheir own.

A gai n, o n  co mpari ng th e at om ic we ightsof th eelements, it is  see n that
th e d if fer en ces a r e farfro m b eing re gular.A s a  r u l e ,the difference
inth e ve rtical c olumns be tw e en any s in gle  ele m e nt an d th e  o ne
follo wing i t  i sapproxi ma tely 1 6,  or  so me mu l tipl e of 1 6. Thuswe ha v e
lithium, sod i um, and potas s iu m ;  b e ryll ium , magnesium , an d  cal cium ; 
b oro n , alu miniu m, an d  scandium; carbon a nd  silic on; o xygen and sul phur;
fluo r i n e and ch lori n e- - all with a dif feren ce of 16 a p proximat ely.But
here  we comet o  a break : s ili con  an d ti tanium, phosp h o rusan d vanad ium ,
sulph urand  ch rom iu m, chlori ne and m an ga ne se , e ach s h ow a dif fe ren ce  of 
abou t  20.
Passi ng o n,  b e twe en thea to m i c we ig ht s of  po ta ssium , ru b idi um, and 
caesiumthe r e is  a  d ifferen ce of about 1 6× 3; a sim il ardiffer e n ce
betwe en calcium, strontium,a nd bari um;  betw eenscandiumand  yttri um; betwee n tita nium,  z irc o n ium,a n dcer iu m, and soo n ; b ut wi th  wid er
andwider divergence f r omthe supposedcon stan t ,  4 8 = 16 × 3 .I n
s h o rt, we have a s eeming reg ul a ri ty, but on l y a  v ery app roximat e
one - -a regu larity, i n fact, i nwhic h a v ivid imagi nation m ust playa 
cons p ic uouspar t in o rd erto de tect i t .
Now,up toth e pres ent,no  reasonhas been suggested to a ccount  forthe 
divergen cef rom  this irr egul ar regular ity , w hicha l i ttleexpe n di tur e 
of t imew ill enabl e  a nyo n eto trace th r o u ghall t hes e  numbe rs.But one
thing has been remarked;  the r e  is  th e  sam eseeming regula rit yb e tween
ce rt ain physica l proper ti e s ofelemen ts and  theirc o mp o unds:thei r
s pecific v olu me s , their  m el t ing-po ints ,theirrefrac t ivei n dices
 anomalous_and inexplicable
phenomena_still attached to this_arrangement of_elements._For example,
copper,_although_it replaces one_atom of hydrogen_in some of its
compounds,_and is thus_a_monad, forms more numerous and more stable
compounds in acting as a dyad and replacing_two_atoms of_hydrogen.
Gold,_which_belongs to the same column,_is at once univalent and
tervalent;_mercury, both_univalent and bivalent; thallium, univalent
and tervalent; tin and_lead,_bivalent and quadrivalent,_and so on. It
is as if some elements had_a tendency to enter a column_not their own.

Again,_on_comparing_the atomic weights of_the elements, it is seen that
the_differences are far from being regular._As a rule, the difference
in the vertical_columns between any single element and_the one
following it is approximately_16, or_some multiple of 16. Thus_we have
lithium, sodium,_and potassium;_beryllium, magnesium, and_calcium;
boron, aluminium, and scandium; carbon and_silicon; oxygen and_sulphur;
fluorine and chlorine--all with a difference_of_16 approximately. But
here_we_come_to a_break: silicon and_titanium,_phosphorus and_vanadium,
sulphur_and chromium, chlorine and manganese, each_show_a difference of
about 20.

Passing on, between the_atomic weights of potassium,_rubidium,_and
caesium there is a_difference of about 16 ×_3; a similar difference
between calcium, strontium,_and barium;_between scandium_and yttrium;
between titanium, zirconium, and cerium, and so on; but with_wider
and wider divergence from the supposed_constant, 48 = 16_× 3._In
short,_we have a_seeming_regularity, but_only a very approximate
one--a regularity, in fact,_in which_a vivid imagination must play a
conspicuous_part in order to_detect_it.

Now, up to the present, no_reason has been suggested to account_for the
divergence from this irregular_regularity,_which_a little expenditure
of time will_enable any one to trace through_all these numbers._But one
thing has been remarked; there is_the_same seeming regularity between
certain physical properties_of_elements and their compounds: their
specific volumes,_their_melting-points,_their refractive indices