1. Ytterby Sweeden
Four elements derive their name from a small town called Ytterby, just outside Stockholm Sweeden. Try to find their names in the periodic table

2. Answers
Yttrium (Y), 
Erbium (Er), 
Terbium (Tb),
Ytterbium (Yb)

3. Starter
What is the most important tool a chemist has. Explain your answer

4. The Periodic Table
Lesson 1

5. The Traditional Based on Mendeleev’s work. Easiest to use and display.

6. Dmitri Mendeleev’s Periodic Table The one that started it all off.

7. Wide Format Periodic Table Shows true position of the f-block (lanthanides and actinides)

8. Janet Periodic Table Elements arranged in order of orbital filling
Janet Periodic Table Elements arranged in order of orbital filling. Used frequently by physicists.

9. Benfey Periodic Table Spiral form shows the steady increase in atomic number.

10. Stowe Periodic Table Emphasises the symmetrical nature of the increase in quantum numbers.

11. Zymaczynski Periodic Table Another way to show the symmetry in the underlying quantum numbers.

12. Giguere Periodic Table A 3D representation emphasising the s, p, d and f blocks

13. Choose your favourite PT for your notes

14. The Structure of the Periodic Table
GROUPS
PERIODS

15. Groups and Periods Groups Periods
Elements show similar chemical properties
Elements show similar trends in their chemical properties
Periods
As you move across periods, changes in the chemical and physical properties that are repeated in the next period
This is what ‘period’ and ‘periodic’ refers to

16. The periodic table and electron configuration
How does an element’s position in the PT relate to its electron configuration?

17. Being Mendeleev
The first widely accepted periodic table was produced by the Russian chemist Dmitri Mendeleev
It was a tremendous example of scientists as risk-takers as it was able to make a number of predictions thought unlikely at the time

18. TOK
Which attributes of the IB learner profile are demonstrated by Mendeleyev’s work on the periodic table?

19. Key Points The periodic table arranges the elements according to:
Their chemical properties
Their electronic structure
Metals and non metals