1. Before you sit down…. - Find your new seat
- There is a new seating chart!!
- Find your new seat
- Prepare for today’s assignment

2. Writing assignment:
Pick two topics from the following list to write a summary:
1. Periodicity (atomic radius, electronegativity, and ionization energy)
2. Atomic structure and electron configuration
3. Isotopes
4. History of atomic theory: Rutherford and JJ Thomson
5. Classification of Matter
Guidelines:
1. One page long for both topics
2. You must write in complete sentences to describe and explain each topic you picked
3. In other words, you will be summarizing each topic
4. Use your notes to help you write the summaries
5. Due by the end of class (no make-up assignment or turning-in the assignment later)
6. No credit if not one page long!