34 atoms of Carbon (C) react with 22 molecules of Hydrogen gas (H2). How many molecules of methane (CH4) will be formed and what will be left over?
a. 17 molecules of methane formed, 5 molecules of hydrogen left over
b. 11 molecules of methane formed, 23 molecules of carbon left over
c. 5 molecules of methane formed, 29 atoms of carbon and 2 molecules of hydrogen left over
d. 22 molecules of methane formed, 12 atoms of carbon left over

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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