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"Shares electrons" is a characteristic of covalent bonds, which form covalent compounds.
A polar covalent bond shares a pair of electrons between two atoms, but the pair of electrons is held more closely by one of the atoms.
The oxidation number of an atom states how it shares its valence electrons with other elements (or ions or compounds). A neutral atom always has its oxidation number 0: it does not share any electrons. A cation has a positive oxidation number and that of anion is negative because they donate and attract electrons respectively.
Generally four carbon shares four electrons to achieve the octet
Mercury easily shares its valence electrons
a covalent bond
I suppose that you think to ions.
A covalent bond is a bond that involves atoms to share electrons. When the shared electrons are not shared evenly, it is called a polar bond. When electrons are shared evenly, it is called nonpolar bond. Note that the only completely nonpolar bonds are bonds between atom of the same element.
A non-covalent bond is one that shares electrons between two atoms.
"Shares electrons" is a characteristic of covalent bonds, which form covalent compounds.
Metal ions do not share electrons with one another. Metal ions have a positive charge.
IT gains, looses, or shares outer electrons.
Water is an example of a neutral oxide compound, a compound with simple molecular structure. H2O is a covalent compound. We know that covalent compounds don't gain or loose electrons but they share electrons between the atoms.Hydrogen shares one electron that is in its first shell so 2 hydrogen atoms are required to make a covalent bond with oxygen which shares its 2 electrons each with one hydrogen atom. so the reaction is as follows: H . + ++O++ + . H H2O Here "." are the valence electrons of hydrogen and "+" of oxygen. when oxygen and hydrogen shares its valence electrons with that of oxygen the duplet of hydrogen is complete and octet of oxygen is complete.Note that only one electron of oxygen are shared with each atom of hydrogen. Water is a molecular compound consisting of two hydrogen atoms and one oxygen atom. Bonds are formed in two ways: Gain or lose an electron from the valence shell; called an ionic attraction. Share one or more electrons in the valence shell; called a covalent bond.
mw2 rules
A polar covalent bond shares a pair of electrons between two atoms, but the pair of electrons is held more closely by one of the atoms.
The oxidation number of an atom states how it shares its valence electrons with other elements (or ions or compounds). A neutral atom always has its oxidation number 0: it does not share any electrons. A cation has a positive oxidation number and that of anion is negative because they donate and attract electrons respectively.
a compound that shares elements with others and is neutral