Here are the answers to your questions:
Question 1
A) Which phrase correctly describes the molecular structure within a molecule?
Response: the location of atoms, groups, or ions relative to one another and the number, type, and location of covalent bonds
Question 2
A) Which is an example of a polymer?
Response: cellulose
Question 3
A) Which type of model best represents simple molecules?
Response: Lewis dot
Question 4
A) A central atom has two lone pairs on opposite sides and four single bonds. What is the molecular geometry of the result?
Response: square planar
Question 5
A) Which option correctly shows the bond angle of a linear molecule?
Response: 180 degrees
Feel free to ask if you have more questions or need further explanations!