The partial negative charge in a molecule of water occurs because _____
A) the oxygen atom donates an electron to each of the hydrogen atoms
B) the electrons shared between the oxygen and hydrogen atoms spend more time around the oxygen atom nucleus than around the hydrogen atom nucleus
C) the oxygen atom has two pairs of electrons in its valence shell that are not neutralized by hydrogen atoms
D) the oxygen atom forms hybrid orbitals that distribute electrons unequally around the oxygen nucleus
E) one of the hydrogen atoms donates an electron to the oxygen atom
Answer: B
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