As opposed to Ionic bonding in which a complete transfer of electrons occur, covalent bonding occurs when two or more elements share electrons. Covalent bonding occurs because the atoms in the compound have a similar tendency for electrons (generally to electrons). This most commonly occurs when two bond together. Because both of the nonmetals will to electrons, the elements involved will share electrons in an effort to their valence shells.

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explanation:

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some sources quote the lethal dose, for an average 170lbs opiate-naive individual is between 75 and 375 mg

answer:

the reaction is type of combination reaction.

explanation:

on the product side, there are 2 molecules of bonded to fe   which means one atom of fe are combined two molecules of . so, balanced chemical equation becomes :

this reaction follows the reaction type of combination reaction. a combination reaction is defined as chemical reaction in which reactants combines together to form a single product.

answer7,570,82356 cubic centimeters;