Linked from
The 25 pages that link to Nickel, each with the reason it gives.
Water electrolysisRelated: Nickel-based electrodes are widely used for alkaline water electrolysis.
Earth's coreRelated: It is thought to accompany iron in Earth's metallic core.
Magmatic sulfide depositRelated: Nickel is a principal commodity in many deposits of this type.
RoentgeniumRelated: Nickel-64 ions were fired at bismuth to create roentgenium nuclei.
Meteoric ironRelated: Nickel is the principal companion metal in most meteoric iron.
PentlanditeRelated: Nickel is the economically valuable metal extracted from pentlandite.
TroiliteRelated: Nickel commonly substitutes for iron in meteoritic sulfide minerals.
Nickel(II) chlorideRelated: Nickel supplies the +2 cation in NiCl₂.