1. Lesson 2 LT: I can use mass number and atomic number to
identify isotopes.

2. Draw and label the basic structure of an atom.
2 minutes

3. Draw and label the basic structure of an atom.
1 minute

4. 10 seconds

5. 9 seconds

6. 8 seconds

7. 7 seconds

8. 6 seconds

9. 5 seconds

10. 4 seconds

11. 3 seconds

12. 2 seconds

13. 1 second

14. Time to Start Class!

15. Lesson 2
You have 2 minutes!

16. How many e-, p+ and n0 do the following isotopes have?
O-16, O-17, and O-18
2 minutes

17. How many e-, p+ and n0 do the following isotopes have?
O-16, O-17, and O-18
1 minute

18. 10 seconds

19. 9 seconds

20. 8 seconds

21. 7 seconds

22. 6 seconds

23. 5 seconds

24. 4 seconds

25. 3 seconds

26. 2 seconds

27. 1 second

28. Time to Start Class!

29. Elements