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The elements to the right of the zigzag line on the periodic table are called
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they have eight outer electrons.
Nonmetals
8
Elements have been added
solid at room termperature
nonmetals
name
Alkali metals are __________ reactive than alkaline earth metals.
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they have eight outer electrons.
Nonmetals
8
Elements have been added
solid at room termperature
nonmetals
name
Noble gases are stable because
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they have eight outer electrons.
Nonmetals
8
Elements have been added
solid at room termperature
nonmetals
name
Most metals are
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they have eight outer electrons.
Nonmetals
8
Elements have been added
solid at room termperature
nonmetals
name
What has changed about the periodic table since Mendeleev?
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they have eight outer electrons.
Nonmetals
8
Elements have been added
solid at room termperature
nonmetals
name
What is the atomic number of oxygen?
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they have eight outer electrons.
Nonmetals
8
Elements have been added
solid at room termperature
nonmetals
name
Elements that are gases, are brittle, and are poor conductors at room temperature are
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they have eight outer electrons.
Nonmetals
8
Elements have been added
solid at room termperature
nonmetals
name
A chemical symbol represents the __________________ of an element.
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they have eight outer electrons.
Nonmetals
8
Elements have been added
solid at room termperature
nonmetals
name
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