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In the compound [Ni(en) 2(H2O) 2]SO4 (where en = ethylenediamine) the oxidation number and coordination number of nickel are, respectively
Carbonate Rocks
Sedimentary rocks, such as limestone, that are primarily composed of carbonate minerals, typically formed in marine environments.
Oxidation
Oxidation is a chemical reaction in which a substance loses electrons, often resulting in rust in metals or changes in rock minerals due to exposure to oxygen and water.
Iron-bearing Minerals
Minerals that contain iron as a significant component, often influencing the rock's color and magnetic properties.
Rounded Pebbles
Small, smooth rocks that have been eroded and smoothed over time by water or other natural forces.
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