Nickel
A metal; one of the elements; atomic weight, 58.8 ; equivalent, 29.4;
valency, 2; specific gravity, 8.8. It is a conductor of electricity.
Relative resistance, annealed (Silver = 1), 8.285
Specific Resistance, 12.47 microhms.
Resistance of a wire
(a) 1 foot long, weighing 1 grain, 15.206 ohms.
(b) 1 foot long, 1/1000 inch thick, 74.963 “
(c) 1 meter long, weighing 1 gram, 1.060 “
(d) 1 meter long, 1 millimeter thick, .1587 “
Resistance of a 1-inch cube, 4.907 microhms.
Electro-chemical equivalent, (Hydrogen = .0105) .3087 mgs.
It is strongly paramagnetic, but loses this quality at 350º C. (662º F.)
It is important as a constituent of German silver, an alloy much used
for resistance coils.









