1. Families of the Periodic Table

2. Hydrogen Elements Gas: Hydrogen

3. Hydrogen (cont.) Characteristics Low density Low melting point Reacts w/ halogens to form acids Reacts w/ oxygen to form water

4. Alkali Metals Elements Solids: Lithium Potassium Sodium Rubidium Cesium Francium

5. Alkali Metals (cont.) Characteristics Soft Dull silver color Low density Low melting point Reacts w/ halogens to form salts Reacts w/ water to form strong alkaline hydroxides

6. Alkaline Earth Metals Elements Solids Beryllium Magnesium Calcium Strontium Barium Radium

7. Alkaline Earth Metals (cont.) Characteristics Soft Shiny silver color Low density Found naturally as a compound Glow different colors Reacts w/ halogens to form ionic salts

8. Transition Metals Elements Solids All “D-block” elements Atomic numbers21-30 39-48 57, 72-80 89, 104-112

9. Transition Metals (cont.) Characteristics High density High melting / boiling point Good catalysts Hard, tough & strong Silvery blue at room temperature Multiple oxidation states

10. Other Metals Elements Solids Aluminum Gallium Indium Tin Thallium Lead Bismuth

11. Other Metals (cont.) Characteristics Relatively high density Salts Solids Opaque color Malleable Oxidation numbers +3, +4, +5

12. Metalloids Elements Solids Boron Silicon Germanium Arsenic Antimony Tellurium Polonium

13. Metalloids (cont.) Characteristics Some shiny Some dull Malleable Ductile Has properties of both metals and nonmetals Various oxidation numbers

14. Other Non-Metals Gases (Hydrogen) Carbon Nitrogen Oxygen Solids Phosphorus Sulfur Selenium

15. Other Non-Metals (cont.) Characteristics Poor thermal conductors Brittle Little to no metallic luster High ionization energy High electronegativity Gain electrons easily Various oxidation numbers

16. Halogens Solids Iodine Astatine Liquids Bromine Gases Fluorine Chlorine

17. Halogens (cont.) Characteristics Only group in all 3 states of matter Highly reactive w/ alkali metals & alkaline earth metals High electronegativity

18. Noble Gases Elements Gases Helium Neon Argon Krypton Xenon Radon

19. Noble Gases (cont.) Characteristics Non-reactive Odorless Tasteless Colorless Nonflammable

20. Inner Transition Metals Elements Solids All “F-block” elements Atomic numbers58-71 90-103

21. Inner Transition Metals (cont.) Characteristics Most are manmade High luster High melting points High electrical conductivity Reactivity varies Usually bonded to non-metals AKA: lanthanides & actinides