Practice: What is the major electrostatic force found within an ammonia molecule, NH3?
Crystalline solids represent structures with well-organized patterns and shapes. Amorphous solids represent structures that lack an organized pattern or shape.
Concept #1: Crystalline vs Amorphous Solids
Example #1: Identify the ionic solid from the following options.
Practice: What is the major electrostatic force found within an ammonia molecule, NH3?
Practice: As it cools off, olive oil slowly hardens and forms a solid over a range of temperatures. Which best describes it as a solid?
Practice: Compound A is hard, doesn’t conduct electricity, and melts at 1400ºC. Compound A represents which of the following:
Practice: Classify each solid as amorphous, molecular, network covalent, alloy or ionic.
a) Steel ______________________
b) CO2 ______________________
c) Graphite ______________________
d) CaCO3 ______________________
e) Bronze, an alloy of Cu and Sn ______________________
