The π interactions tied multiple pyrazoles and pyrazolates together around the nickel metal to cause reaction results.

The 33.2 million tonnes of ore contains 375,000 tonnes of nickel metal.

The 28.8 million tonnes of ore contains 210,000 tonnes of nickel metal.

The 35.6 million tonnes of ore contains 427,000 tonnes of nickel metal.

It is made by dissolving nickel metal in nitric acid.

The 30 million tonnes of ore contains 390,000 tonnes of nickel metal.

They are growing to become the most important source of nickel metal for world demand (currently second to sulfide nickel ore deposits).

It is used to electroplate nickel metal on metal objects.

Vale Inco produces over 100 million pounds of nickel metal annually by the carbonyl process.

But nickel metal hydride stores more than twice as much energy a pound and can deliver it faster.