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Atomic number
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Atomic mass
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Element symbols
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Element name
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Alkali Metals/1
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Alkaline Metals
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Transition metals
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Boron Metals
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Carbon Metals
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Nitrogen Family
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Oxygen Family
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Halogen Family
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Nobel gases
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Rare earth elements
Alkali Metals
Most reactive Family
Noble gases
Least active Family
elements on the left of the stair-step line, are solid at room temperature & good for conducting heat & electricity
Metal
on the right side of the stair-step, poor conductors of heat & electricity
Nonmetals
Has a positive charge, located in the nucleus, & is the same number as the atomic number
Protons
Has a negative charge sometimes is the same as atomic number
Electrons
Has No charge, is’s neutral & is found by (mass # - atomic )
Neutrons
Number of electrons on the last energy level.
Valence electrons
Center of an atom
Nucleus
Smallest piece of matter
Atom
Rings around the nucleus containing electrons
Energy Levels
A column on the periodic table
Family
Separates metals from nonmetals
Stair-step line
Elements that touch the stair-step like
Metalloids
A substance made up of only 1 kind of atom
Elements
A table showing all the elements
Periodic table
A row on the periodic table
Period
Note 
Flashcard (90)