Calculate the number of molecules in 64.5 grams of nitrogen A. 1.29x10^24 molecules of NO
B. 30.01 molecules of NO
C. 1935 molecules of NO
D. 4.29x10^24 molecules of NO

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).

that's what i got you can count the number of atoms