Introduction toThe Periodic Table

Mrs. FrommelFall 2008

Metals vs. Nonmetals

Metaloids

Antimony

Periodic Table Organization

Groups

Periods

Groups or Families

Alkali MetalsAlkaline Earth Metals

Boron GroupCarbon Group

Nitrogen GroupOxygen Group

Halogen Group

Noble Gasses Group

Alkali Metals

• Lithium (Li)

• Sodium (Na)

• Potassium (K)

• Rubidium (Rb)

• Cesium (Cs)

• Francium (Fr)

Alkaline Earth Metals

Beryllium (Be)

Magnesium (Mg)Calcium (Ca)

Strontium (Sr)Barium (Ba)

Radium (Ra)

Boron Group

Boron (B)

Aluminum (Al)

Gallium (Ga)

Indium (In)

Thallium (Th)

Carbon Group

Carbon

Silicon

Germanium

Tin

Lead

Nitrogen Group

Nitrogen

Phosphorus

Arsenic

Antimony

Bismuth

Oxygen Group

Oxygen

Sulfur

Selenium

Tellurium

Polonium

Halogens

Fluorine

Chlorine

Bromine

Iodine

Astatine

Noble Gasses

Helium

Neon

Argon

Krypton

Xenon

Radon

Atomic Periods

How many

energy

shells???

3

7

Atomic Periods cont…

Sodium (Na)

• In Period 3

• 3 energy shells

• 2 on first

• 8 on second

• Remainder on 3rd

Elements

• Atomic Number

• Atomic Symbol

• Name

• Atomic Mass

Important Elements

• Carbon: “Shares Electrons”

• Covalent Bonds

• Organic Compounds

• Hydrogen: “Unique”

• Not part of any group

• Both Metal and Non Metal

Important Info

• Developed by Mendeleev

• Contains Metals, Nonmetals, and Metaloids

• Elements are place in a logical order that includes groups and periods

Finally…