1. Objectives
To learn some features of the Periodic Table
To learn some of the properties of metals, nonmetals and metalloids
To learn the nature of the common elements

2. A. Introduction to the Periodic Table
The periodic table shows all of the known elements in order of increasing atomic number.

3. A. Introduction to the Periodic Table
The periodic table is organized to group elements with similar properties in vertical columns.

4. Introduction to the Periodic Table
Give the Symbol and Name of 5 Elements from the following Groups
Halogens
Noble Gases
Alkali Metals
Transition Metals
Alkaline Earths
What is the Group number for
Oxygen
Nitrogen
Carbon

5. A. Introduction to the Periodic Table
Most elements are metals and occur on the left side.
The nonmetals appear on the right side.
Metalloids are elements that have some metallic and some nonmetallic properties.

6. A. Introduction to the Periodic Table
Physical Properties of Metals
Efficient conduction of heat and electricity
Malleability (can be hammered into thin sheets)
Ductility (can be pulled into wires)
A lustrous (shiny) appearance

7. Tightest frying pan roll
The tightest circumference of a 30 centimeter (12-inch) aluminium frying pan, rolled with bare hands in 30 seconds is centimeters (6.87 inches), set by Scott Murphy at the NXB Team Training Center in Myrtle Beach, S.C., on July 30, 2007.
Guinness Book of Records

8. Elements in the Periodic Table
What is the symbol, group number, group name and element classification for:-
Sodium
Iodine
Argon
Iron
Barium
Silicon
Uranium
Erbium

9. B. Natural States of the Elements
Most elements are very reactive.
Elements are not generally found in nature in uncombined form.
Exceptions are:
Noble metals – gold, platinum and silver
Noble gases – Group 8

10. B. Natural States of the Elements
Diatomic Molecules
Nitrogen gas contains
N2 molecules.
Oxygen gas contains
O2 molecules.

11. B. Natural States of the Elements
Diatomic Molecules

12. HONClBrIF
HONClBrIF
HONClBrIF
HONClBrIF
HONClBrIF

13. B. Natural States of the Elements
Elemental Solids – Can exist as “Allotropes”
Carbon
atoms
Diamond
Graphite
Buckminsterfullerene

14. 507-Carat Diamond Found at South African Mine
Graphite

15. Elements in the Periodic Table
Give the element classification (metal, non-metal, metalloid) and natural state (solid, liquid, gas, molecule?) of:
Potassium
Chlorine
Neon
Tungsten
Magnesium
Germanium
Iodine
Mercury