The mineral that is the hardest known substance in nature is a diamond.
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Answer:
Carbon monoxide is a very important industrial compound. In the form of producer gas or water gas.
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An ion is a charged atom or molecule. It is charged because the number of electrons do not equal the number of protons in the atom or molecule. An atom can acquire a positive charge or a negative charge depending on whether the number of electrons in an atom is greater or less then the number of protons in the atom. An example is Iron (III) , Iron (II) , lithium, and hydrogen.
Answer:
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