3. Chemical Principles of Microbiology

Which of the following images below is the most likely way that two water molecules would interact?

What type of bond holds the following atoms together?

a. Li⁺ and Cl^- in LiCl

b. Carbon and oxygen atoms in methanol

c. Oxygen atoms in O₂

d. A hydrogen atom of one nucleotide to a nitrogen or oxygen atom of another nucleotide in:

CIRCLE two covalent bonds and two hydrogen bonds in this image; label them. BOX a polar covalent bond.

What property of the bond between a Hydrogen (H) atom and an Oxygen (O) atom in a molecule of water
makes it a polar bond?