3x single C-C bonding pairs: 3x2= 6 electrons
3x double C=C bonding pairs: 3x(2x2)= 12 electrons
Total: 18 electrons
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Carbon atoms do not gain electrons to form a covalent bond. Carbon atoms form four covalent bonds by sharing its four valence electrons with the valence electrons of other atoms. These can be single bonds, in which one pair of electrons is shared; double bonds, in which two pairs of electrons are shared; or triple bonds, in which three electrons are shared; or a combination of these.
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in C2H6 only one pair of electrons are shared between the carbon atoms.
8
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In a carbon-carbon double bond, and in any other non-dative covalent double bond, four electrons are shared in total. Two are shared from each atom. In single bonds, one electron from each atom is shared, and three from each are shared in triple bonds.
8 O=C=O Carbon and each oxygen are bonded by a double covalent bond consisting of 4 shared electrons. 2 double bonds = 8 electrons.
covalent bond because the electrons are shared equally
Carbon atoms do not gain electrons to form a covalent bond. Carbon atoms form four covalent bonds by sharing its four valence electrons with the valence electrons of other atoms. These can be single bonds, in which one pair of electrons is shared; double bonds, in which two pairs of electrons are shared; or triple bonds, in which three electrons are shared; or a combination of these.
Carbon forms covalent bond when it shared electrons with other atoms.
Valence electrons are shared between oxygen atoms, Four valence electrons are shared.
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It is a triple covalent bond, therefore the carbon atoms share six electrons.
Two electrons 'at one side' of carbon are shared with 2 electrons of one oxygen atom, forming a double bond (each bond is formed one pair of electrons), at the other side the same is happening to the other two 'carbon' electrons with the second O atom. Usually each pair of electrons is drawn by a short line (horizontally, sometimes also vertically) to draw the molecular bonding structure: For carbon dioxide O=C=O or in dots (one for each electron) O::C::O
The answer is c. Valence electrons are shared between oxygen atoms & D. Four valence eletrons are shared
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