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Looking at the photo
do you think metal
conducts electricity?
Lightning is a form of
electricity and it seems
to follow through the
metal rod.
• More than three-quarters of the elements on the periodic table are metals.
• With the exception of hydrogen, all of the elements in groups 1-12 on the periodic table are metals.
• Some of the elements in groups 13-15 are metals.
What is a metal?
To be a metal, an element must have certain properties.
What is a metal? (cont.)
How does the position of an element on the periodic table allow you to determine if the element is a metal?
What is a metal? (cont.)
shine
be pulled thin
into wires
heat electricity
What is a metal? (cont.)
shine
be pulled thin
into wires
heat electricity
Be hammered or
rolled into sheets
Alkali Metals (GROUP 1)
1.React 2. appearance •
QUICKLY
silvery
Soft
Na
Alkaline Earth Metals (GROUP 2)
1.React but not as quickly as Alkali metals. 2. appearance •
QUICKLY
silvery
SoftMg
Transition metals(GROUPS 3-12)
1.Less 2.Higher points •Greater
reactive
melting
strengthAu
Metallic properties include luster, malleability, and electrical conductivity.
Patterns in Properties of Metals
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