THE PERIODIC TABLE

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THE PERIODIC TABLE

Major Categories

Metalloids

Key Elements: Boron, Silicon, Germanium, Arsenic Physical Properties: Shiny, Brittle, Good Electrical Conductivity Chemical Properties:

Non Metals

Key Elements: Hydrogen, Helium, Nitrogen, Oxygen Physical Properties: Dull, Weak, Brittle Chemical Properties: Poor heat conductor, Do not react with air at room temperature, Poor conductor of electricity

Metals

Key Elements: Gold, Aluminum, Copper, Iron Physical Properties: Lustrous, Malleable, High density Chemical Properties: Great conductor of heat as well as electricity, does not react with room temperature water

Noble Gasses

Key Elements: Neon, Krypton, Xenon, Argon Physical Properties: Conduct electricity, colourless, odourless Chemical Properties: Low chemical reactivity, Extremely stable, do not react with water

Halogens

Key Elements: Chlorine, Florine, Bromine, Iodine Physical Properties: Low melting point, Low boiling point, range of states Chemical Properties: Cannot conduct electricity, nor heat, react slightly with water

Transition Metals

Key Elements:Iron, Copper, Zinc, Titanium Physical Properties: Malleable, High density, High melting point Chemical Properties: Oxidize in air, rarely react with water, React slowly with acids

Alkaline Earth Metals

Key Elements: Beryllium, Magnesium, Calcium Physical Properties: Lustrous, Low density, Low melting point Chemical Properties: Very reactive in water, air and acid

Alkali Metals

Key Elements: Lithium, Sodium, Potassium Physical Properties: Lustrous, Soft, Low melting point Chemical Properties: Highly reactive with air, as well as water and acid