Week 3 Lab 1 Periodic Table *need to be plugged into the internet

Mendeleev’s Periodic Tables Which of Mendeleev’s tables looks more like the modern table in your course pack? What trends do you observe?

Safety Top Avoid distractions 9. Work defensively 8. Beware of glass; it breaks 7. Work safely 6. Know what to do if there is an accident 5. Be prepared 4. Don’t touch, taste, or smell the chemicals

Safety Top Dress like a chemist 2. Do not ingest anything (food, gum, water) 1. Wear safety goggles at all times

Safety (Cont’d) Knowledge (where do you get more info?) –Aldrich –CRC –MSDS: MSDS for sodium metalMSDS for sodium metal What are some potential health effects if inhaled or swallowed? What first aid measures should be taken? If the sodium catches on fire, how should it be put out? How do you clean up a spill? How should you store it? (What does it react with?) What PPE (personal protective equipment) should you wear? What are some of its physical properties? How toxic is sodium metal? What other information is available on the MSDS? Waste