States of Matter : Lesson 2 (Solid)

States of Matter : Lesson 2 (Solid)

by Mohamad Termizi Nurdin

Multiple Choice

Which of the following is an example of a crystalline solid?

• CsCl

• Rubber

• Plastic

• Polymer

Multiple Choice

Solids are incompressible because

• they have strong interparticle forces

• the particles are too large to compress

• the particles are closely packed in fixed positions

• the particles are randomly arranged with a lot of space in between them

Multiple Choice

Diamond cannot conduct electricity because 

• diamond has the structure of a giant covalent molecule

• its carbon atoms form single covalent bonds

• all of its valence electrons are used in forming covalent bonds

• it has a higher melting point

Multiple Choice

The following statements are true about graphite except

• it exist s as giant covalent molecule

• carbon atoms are arranged in hexagonal ring form

• the layers in graphite are held together by van der Waals forces

• it has a very low melting point