— oe ae 
292 
Tok Bals: 
The Hydrogen-Helium Group. 
Oise Ms 
| : | ; zm D 22412 || ken 
1 He 1,008 | 1,01 | 0,07709 (K.O., Cr.) | 13,07 583.105 | 0487 | 0,607 
2 He 3,994 2,00 || 0,146 (K.0O.)') | 27,36 | 122,1 - 0,543 
10 Ne 20,200 2,02 aats (Gra ‚16,15 vel — 0,627 
18 Ar | 39,945. | 2,22 || 1,413 (KO, Cr) | 28,27| 126,1 0,145 | 0,733 
36 Kr | 8292 230, 2,155 (R, Tr)2) (38,48 | 171,7 SR i 
54 X | 130,22 | 2,41 || 3281 (P., Cr.,W.G.) | 39,69 | 177,1 - 0,780 0,823 
86Ni | 9994 | 259 || 4,384 (Ruporr)3) |50,73 | 226,3 eee NN 
(Eman), Wda 
1) For 19,48 abs. 
2) For 127°,1 abs. Ruporr (Das periodische System, 1904) gives the somewhat 
higher value 2,185 (p. 317). 
8) For 21191 abs. 
my 
0,437 
0,192 
0,543 
0,556 
0,494 
0,459 
0,535 
| calculated 
0,834 
1,013 
0,992 
| 1,136 
1,216 
1,246 || 
1,305 | 
48,7 
119 
71,5 
143 
196 
221 
291 
id. 
3,2 (1,6) 
0,8 
2 
5,2 
6,9 
9,1 
11,5 
