A 206 Pb nucleus absorbs 4 neutrons a/ write a balanced radiochemical equation describing this process and the nuclide that forms. Include all superscripts and subscripts representing mass and charge
b/ This nuclide is radioactive. write a balanced radiochemical equation describing its decay. Include all superscripts and subscripts representing mass and charge.

answer is: naturally occurring solid, inorganic compound or element is mineral.

minerals usually have crystalline form, that means than crystal constituents (atoms, molecules or ions) are arranged in a highly ordered microscopic structure, forming a crystal lattice that extends in all directions.

for example magnetite is a mineral of iron oxide (fe₂o₃).

calcite is a carbonate mineral and the most stable polymorph of calcium carbonate (caco₃).

dolomite is an   carbonate mineral composed of calcium magnesium carbonate (camg(co₃)₂).

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