Why can't carbon form ionic bonds?
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Ionic bond is the exchange of electrons in the valence shell. So in ionic bond one element is electropositive and the other is electronegative . but carbon has tetra valency that is 4 carbon in the outer most shell so it only forms covalent bonds which means mutual sharing of electrons . and carbon undergoes catenation to form large no of compounds by covalent bonds
mathsci17:
@Shruthii Elements such as Tin & Lead have valency 4 apart from being electropositive. Why can't carbon form a ionic bond with such metals?
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carbon has 4 electrons in outermost orbit...it can neither loose 4 electrons .. nor it can gain 4 electrons from other atom because no atom has four extra electrons to donate to carbon.
if carbon loose 4 electrons then it will have 6 protons while only 2 electrons in its configuration which will disturb the electron proton ration..
if it gains 4 electrons then number of electrons will be much more than number of protons and the protons will not be abke to hold those electrons around nucleus...
this would disturb the stability of carbon.
So carbon forms covalent bond by sharing electrons.
if carbon loose 4 electrons then it will have 6 protons while only 2 electrons in its configuration which will disturb the electron proton ration..
if it gains 4 electrons then number of electrons will be much more than number of protons and the protons will not be abke to hold those electrons around nucleus...
this would disturb the stability of carbon.
So carbon forms covalent bond by sharing electrons.
Elements such as Tin & Lead have valency 4 apart from being electropositive. Why can't carbon form an ionic bond with such metals if it is kept in a vacuum chamber and energy is supplied artificially to it ?
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