Covalent Solids

CO₂

• Ionic
• Covalent
• Polyatomic Ion 
• Metallic 

NaCl

• Ionic
• Covalent
• Metallic
• Polyatomic Ion 

MgCl₂

• Ionic
• Covalent
• Polyatomic Ion
• Metallic 

(NO₃) ^- 

• Ionic
• Covalent
• Polyatomic Ion
• Metallic 

What natural material makes up the core of a pencil?

• coal

• graphite

• lead

• silicon

A solid where each atom is covalently bonded to several others in various directions is classified as ___

• a mesh solid

• a network solid

• a nexus solid

• a tesselation solid