1. Monday, March 9  Pick up a Periodic Table Packet and put your name on it. DO NOT LOSE THIS – IT IS A PROJECT GRADE!!!  Read on pages 3-4 in the packet, the readings called “ A Brief History of the Periodic Table ” and “ The Modern Periodic Table”.  Think about how the Periodic Table was discovered and developed based on the properties of elements and atoms.  Copy the atom notes on the board onto the back of your packet. Leave space for additional video notes.

2. Atom Video  As you watch the Brainpop clip, reflect on:  How the atomic model changed over time  Who the key figures were  The model we use today

3. Periodic Table Videos  Who discovered the Periodic Table?  How does it classify/organize elements?  http://www.pbslearningmedia.org/asset/nvhe_vid_periodic/ http://www.pbslearningmedia.org/asset/nvhe_vid_periodic/

4. The Periodic Table

5. Arrangement of Elements  Elements are organized according to their properties.  You can predict an element’s properties based on its location on the periodic table.

6. LEFT SIDE : shiny, good conductors, bendable RIGHT SIDE : dull, poor conductors, brittle ZIG ZAG LINE : have some properties of metals and some of nonmetals

7. Arrangement of Elements  7 PERIODS  horizontal rows  Element properties in each period change in a pattern (metals, metalloids, nonmetals)  18 GROUPS  vertical columns  Elements in each group have similar characteristics/properties.

8. Atomic Structure  The center of an atom  nucleus.  Contains protons [+] and neutrons [no charge/neutral].  Protons and neutrons have about the same atomic mass.  Most of an atom’s mass comes from its nucleus.  Electrons [-] move around the nucleus in a negatively charged cloud.  Mostly empty space  Electrons have a very small mass

10. Atomic number = ____________ OR ___________. Atomic mass – Atomic number = ____________. Atomic Number Symbol Name Atomic Mass # protons # neutrons # electrons

11. Oxygen 8 16 8 8 8

12. To Do  Follow the instructions on Page 1 of your packet for coloring and labeling your Periodic Table  Color lightly so you can still see all information *Do not lose this packet – it is a project grade! You must bring it every day to school with you.