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Noble Gases are unreactive nonmetals that are in group 18 of the periodic table.
Helium is a Noble Gas.

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Halogens are very reactive nonmetals.
Fluorine is a Halogen.

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The oxygen group is a group that consists the element oxygen.
The elements that are in Group 16 of the periodic table are in the Oxygen Group.

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The Nitrogen Group is a group that consists nitrogen and other elements, it's group 15 on the periodic table.
Phosphorus is part of the Nitrogen Group.

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The Carbon Group is a group that consists carbon, it's Group 14 on the periodic table.
Silicon is part of the Carbon Group.

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The Boron Group is a group of chemical elements on group 13 of the periodic table.
Aluminum is part of the Boron Group.

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A series of radioactive elements.
Actium belongs to the Actinides Series.

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A series that has a group of rare-earth metals.
Group 3 on the Periodic Table is the Lanthanides Series.

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Transition Metals are any of the metallic elements.
Iron is a Transition Metal.

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Alkaline metals are metals that are less attractive than alkali metals.
Magnesium is an Alkaline Metal.

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The elements that are in Group 1 are Alkali Metals.
Potassium is one of the Alkali Metals.

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A horizontal line of elements on the periodic table.
Francium is in Period 7 on the periodic table.

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A vertical line of elements on the periodic table.

Hydrogen is in Group 1 on the periodic table.