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  1. In a polar covalent bond,

Aelectrons are shared equally between atoms.

Ba cation is bonded to an anion.

Celectrons are transferred between atoms.

Delectrons are not shared equally between atoms.

  1. Water has a higher boiling point than expected because

Athere is so much water vapor in the atmosphere.

Bwater molecules are not very massive.

Chydrogen and oxygen form single covalent bonds.

Dof the strong attractions between polar water molecules

Verified Answer :

in a polar covalent bond, there is an unequal sharing of electrons between atoms. If there is equal sharing otherswise it is considered polar covalent. The answer for 1) is D. Water has a higher boiling point because of the strong attraction between polar water molecules due to hydrogen bonding. Answer for 2 is D.

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