Chapter 21

Question 1

Four Characteristics of Metals

Answer 1

Maleable, Conductors, Shiny/Opaque, High Melting Point and Boiling Point

Question 2

Semi-Metals

Answer 2

Have a gap between the valence bands and conduction bands. If given energy, bonds will jump up to conduction band, and when energy stops, will jump down and release photon (light)

Question 3

Resistivity Chart

Answer 3

Semi metals become more conducive at higher temperatures. Metals are the opposite.