1. Warm Up Dec. 4 th, 2014 Atomic Number: 10 1) List # of electrons, protons, neutrons, shells, valence electrons, atomic mass, chemical symbol (and name if you know it); then draw a model of that atom and its Lewis Dot Structure. 2) What’s special about this element?

2. Review Homework assignment HW Check

3. 100 Greatest Discoveries: Oxygen, atoms, and atomic theory

4. Physical Property MetalsNon-metals AppearanceShinyDull State at room temperature Solid (except mercury, which is a liquid) About half are solids, about half are gases, and one (bromine) is a liquid Density High (they feel heavy for their size) Low (they feel light for their size) StrengthStrongWeak Malleable or brittle Malleable (they bend without breaking) Brittle (they break or shatter when hammered) Conduction of heat Good Poor (they are insulators) Conduction of electricity Good Poor (they are insulators, apart from graphite) Magnetic material Only iron, cobalt and nickel None Sound when hit They make a ringing sound (they are sonorous) They make a dull sound Physical* Property Metals*Non-metals* AppearanceShinyDull State at room temperature Solid (except mercury, which is a liquid) About half are solids, about half are gases, and one (bromine) is a liquid Density High (they feel heavy for their size) Low (they feel light for their size) StrengthStrongWeak

5. Physical* Property Metals*Non-metals* Conduction of heat Good Poor (they are insulators) Conduction of electricity Good Poor (they are insulators, apart from graphite) Magnetic material Only Iron, Cobalt and Nickel None Sound when hit They make a ringing sound (they are sonorous) They make a dull sound

6. Periodic Table #2 (Metals Etc) Metals Label as Metals, Nonmetals, and Metalloids; color each section differently and use a key.

7. Brain Pop Metals, Non-Metals, and Metalloids