center of nucleus
Alkali Metals Sarah Rahman Group 1 of the Periodic Table EXTREMELY reactive, especially with water –Because they have only 1 valence electron Soft and.
Why do elements in the same group/family have similar properties?
S ECTION 5–3: R EPRESENTATIVE G ROUPS Physical Science Coach Kelsoe Pages 139–145.
Chapter 19 – Molecules and Compounds 19.1 -- Bonding and Molecules Atoms react /combine with other atoms to form molecules. Chemical bonds hold them together.
What is the periodic table? compact way of organizing elements contains a lot of information allows us to make predictions about behavior and properties.
TOIPC: Periodic Table Organization Do Now: From your activity yesterday, and p.5 answer page 6 in your packet.
Unit-2
TOIPC: Periodic Table Organization
Compounds, Mixtures, and Reactions
Fig. 2-1. Fig. 2-2b Dead leaf tissue (cm 2 ) after one day 16 12 8 4 0 Inside, unprotected Inside, protected Outside, unprotected Outside, protected Cedrela.
Fig. 2-1. Fig. 2-2a Cedrela sapling Duroia tree Inside, unprotected Devil’s garden Inside, protected Insect barrier Outside, unprotected Outside, protected.
