Microbiology: A Systems Approach 4th Edition by Marjorie Kelly Cowan

Exercise 35

Critical thinking is the ability to reason and solve problems using facts and concepts. These questions can be approached from a number of angles and, in most cases, they do not have a single correct answer.
Draw a simple model of the following molecules: CH 4 , NaCl, H 2 O. Provide a definition of polar molecule , and identify the polar molecule listed here.