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In water (H2O), how many hydrogen atoms are bonded to each oxygen atom?
- A 1
- B 2
- C 3
- D 4
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In a water molecule, each oxygen atom is bonded to two hydrogen atoms. This forms a V-shaped or bent molecular structure, with the oxygen atom at the center and the two hydrogen atoms bonded to it at an angle of approximately 104.5 degrees. The bonding between oxygen and hydrogen in water is an example of polar covalent bonding, where the electrons are shared unequally between the atoms due to the difference in their electronegativities. This unequal sharing of electrons results in a partial negative charge on the oxygen atom and partial positive charges on the hydrogen atoms, creating a polar molecule with a dipole moment.