(
, 4):
14 bars of 74 atoms 1036
Atomic weight 57.70
Number weight 1036/18 57.55
Nickel
(
, 4):
14 bars of 76 atoms 1064
Atomic weight 58.30
Number weight 1064/18 59.11
(The weight of cobalt, as given in Erdmann's Lehrbuch, is 58.55, but Messrs. Parker and Sexton, in Nature, August 1, 1907, give the weight, as the result of their experiments, as 57.7.)