anonymous
  • anonymous
Which statement is true? A. a molecule having a covalent bond can be ionic B. a molecule having a covalent bond is always polar C. a molecule having a covalent bond may be polar or nonpolar D. a molecule having a covalent bond i =s always nonpolar
Chemistry
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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Photon336
  • Photon336
A molecule with a covalent bond is always polar: CF4 disproves this and let's try to understand why. In CF4 is obviously tetrahedral but for this to happen, there must be a net dipole moment, for the molecule to be polar, but when you draw it out the dipoles cancel, making it non-polar.
Photon336
  • Photon336
A molecule having a covalent bond can be ionic. Poly atomic ions involve a sharing of electrons covalent and gaining/losing of electrons (ionic) to fulfill their octet. Take sodium carbonate for example. Na2CO3, contains both type.
anonymous
  • anonymous
thank you! @Photon336

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