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1. In a polar covalent bond,

A. electrons are shared equally between atoms.

B. a cation is bonded to an anion.

C. electrons are transferred between atoms.

D. electrons are not shared equally between atoms.

2. Water has a higher boiling point than expected because

A. there is so much water vapor in the atmosphere.

B. water molecules are not very massive.

C. hydrogen and oxygen form single covalent bonds.

D. of the strong attractions between polar water molecules

Respuesta :

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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