PHYSICAL PROPERTIES

• Can be measured
• Our can use your senses
• Examples:color size odor density

CHEMICAL PROPERTIES

• How it reacts
• Examples:burns bubbles

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• Organized according to mass of atoms and their properties
• Elements in each colum have similar properties
• Each element has a chemical symbol(1-3 letters,first letter ALWAYS capitilized)

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• Metals- usally shiny,conductors of heat,electricity
• Non-metals- dull,poor conductors,some gases
• Semi-metals- some properties of metals,some of non-metals
• Noble gases- do not easily combine with other elements

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