chemical elements
hydrogen group
Is a unique element
alkaline-earth metals
Is found in the earth's crust
Alkali Metals
Is found when touching the water
trasition metals

Conduct electricity
actinides

Is a radioactive group
lanthanidos
Conduct electricity
nonmetals
Is the combination of carbon and oxygen
inert gases
With the group is called zero group
poor metals
These metals can easily melt

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