Yes
A nickel is 5 percent of a dollar.
Nickel-Cadmium
The president on a nickel is Thomas Jefferson. As of 2014, the US nickel is composed of 25 percent nickel and 75 percent copper.
If that's 1 dollar, a nickel is 5%.
The amount of 'nickel' in a nickel has not changed, it's still .250.
Most steels contain about 35 percent of nickel. They also contain about 26 percent chromium. These usually have the highest corrosion resistance.
Nickel-Iron battery
Nickel (II) oxalate dihydrate; used in battery production.
Battery SubstitutionIF a battery's specifications [ type (Nickel-Cadmium or Nickel-Metal Hydride for example, and the voltage & amperage ratings] match the battery you want to replace, AND the terminals/connectors are identical, then the manufacturer generally does not matter.
1
20%