The outside boundary of a water molecule is?

positively charged.

neutral.

negatively charged or neutral depending
on whether it is a liquid or a solid.

positively or negatively charged depending
on whether it is a liquid or solid.

negatively charged.

Answer 1

Well #1# is the answer I would choose.

Because oxygen is quite electronegative it is conceived to polarize electron density towards itself. And this is often use to explain the polarity of water, and the capacity of water to solvate and separate positive and negative ions.

And so we would represent this as...#""^(""^+delta)H-stackrel(delta^-)O-H^(delta^+)#

....and since the hydrogens lie on the outside boundary of the water molecule, we select #1#. But it is a bit of a whack question.

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Answer 2

Cooper Adams

The outside boundary of a water molecule consists of two hydrogen atoms bonded to one oxygen atom.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

The outside boundary of a water molecule is?

positively charged. neutral. negatively charged or neutral depending on whether it is a liquid or a solid. positively or negatively charged depending on whether it is a liquid or solid. negatively charged.

positively charged.

neutral.

negatively charged or neutral depending
on whether it is a liquid or a solid.

positively or negatively charged depending
on whether it is a liquid or solid.

negatively charged.