1. Oxygen Family Group 16 Leo Diaz, Anthony Webster, Brenda Perez, Breanna

2. Elements and Location Oxygen (O) Sulfur (S) Tellurium (Te) Selenium (Se) Polonium (Po) -All located in the 16 th group -in P block

3. Discoverers Sulfur -discovered by Hennig Brand -identified as an element by Antoine Lavoisier-1777 Selenium -Jons Jacob Berzelius-1817 Polonium -Marie Curie-1898

4. Uses' of Elements Sulfur-gun powder, matches, and fireworks Polonium-on brushes used to remove dust from photographic films Tellurium-improves machinability of iron and steel materials Selenium-for photocopying documents

5. Sources of Elements Oxygen-plants produce it by photosynthesis –21% of air is oxygen Sulfur-found in earths crust and meteorites Selenium-found in ores and some food such as Brazil nuts, meat, eggs, and fish -helps immune systems

6. Electrons Configuration and Reactivity Oxygen 1s 2 2s 2 2p 4 Sulfur 1s 2 2s 2 2p 6 3s 2 3p 4 Group 16 is somewhat reactive