The Living World 8th Edition by George Johnson

تمرين 9

The partial separation of charge in the water molecule
A) results from the electrons' greater attraction to the oxygen atom.
B) means the molecule has a positive end and a negative end.
C) indicates that the water molecule is a polar molecule.
D) All of the above.
Hydrogen bonds
A) are highly directional.
B) are stronger than covalent bonds.
C) are stronger than ionic bonds.
D) involve the sharing of electrons.