1. Chemistry 111 Sections 5-9 Bill Vining 232 Physical Sciences Building

2. What is Chemistry? What do chemists do?

3. What is Chemistry? The study of how atoms combine into molecules (and larger structures). What do chemists do?
Chemists make and study molecules.

4. First class assignment
How many golf balls will fit in this room?
You have 8 minutes.

5. Diameter of a golf ball = 1.68 in

6. A Tour of some Molecules

9. ELEMENTS IN THE NEWS

10. ELEMENTS IN THE NEWS

11. ELEMENTS IN THE NEWS

12. ELEMENTS IN THE NEWS

13. ELEMENTS IN THE NEWS

14. Today’s Element: Uranium U

16. Business I Class meetings:
Lecture MWF here
Lab once a week in Physical Sciences Bldg.
Recitation once a week in Physical Sci. Bldg.
NO LABS or RECITATIONS this week- they start Monday
Class Rules- Syllabus (go over on Friday)

17. Business II Classroom Rules Be here every single day Be here on time
Don’t sit in back
Don’t talk when I’m talking
Don’t let me talk when you’re talking
It’s ok to get up and wander

18. Business III
Need to move some section assignments: Bring your schedule on Friday
Homework:
OWL Electronic Homework System
First assignments due in one week

19. How to do well Sit in front
Read text chapter before and after covering
Do homework early and often
Avail yourself of help: me
chemistry tutors (times given next week)
Keep up with material

20. To Begin
Why is chemistry hard?

21. To Begin Why is chemistry hard? Atoms are really small.
About 100 types of atoms (each a chemical element).
Matter is made of atoms, mostly connected together in molecules and larger structures- infinite variety of combinations.

22. Why is chemistry useful?
To Begin
Why is chemistry useful?

23. Why is chemistry useful?
To Begin
Why is chemistry useful?
Atoms are really small.
About 100 types of atoms (each a chemical element).
Matter is made of atoms, mostly connected together in molecules and larger structures- infinite variety of combinations.

24. Chapter 1
Review- read it and know it.
Homework on it starting today.

25. Chapter 2 Atoms and Elements
Atoms are really small.
Basic Atomic Structure
Nucleus with protons and neutrons
Electrons surround the nucleus

26. What holds atoms together?