1. Periodic Table

2. Arrangement of the Table…. Need to know…. Group / Family Period

3. Arrangement of the Table…. What is the key property Mendeleev used to arrange the elements?

4. Arrangement of the Table….. Where are metalloids found on the periodic table?

5. Arrangement of the Table…. Mendeleev noticed the properties of elements repeated their pattern every __________ elements.

6. How do the physical and chemical properties of the elements change on the Periodic Table of Elements? Regularly (periodically) across each period.

7. Vocabulary/concepts to know…. Alkali metals Alkaline-earth metals Halogens Aluminum Calcium Oxygen Argon Nitrogen Hydrogen Carbon

8. Element’s square….. 19 K Potassium 39.09 19 = K = 39.09 =

9. Elements Metals Metalloids Non-Metals which are solids which look shiny at room temperature except for Mercury which is a liquid and are good conductors of thermal energy and electrical current Most of which are Gases at room temperature such as chlorine