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fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At). Are some examples of what this group is made out of.

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from monobasic to tetrabasic : nitrogen, phosphorus, arsenic ,antimony, http://phillips.seti.org/kids/images/definitions/nitrogen.gifand bismuth.

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It is the elements in the row 13, in the periodic table.

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A period is the name given to a horizontal row of the periodic table.

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they are odorless, and colorless. They are located in group 18 in the periodic table.

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Any element in the row 16, in the periodic table belongs to the oxygen group.

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they are any of the elements that are 14 it the pedridic table.

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It is the elements in a vertical line. Family and group are the same thing. the first group is the most reactive.

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The atoms are radioactive abd unstoppable.

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They are very shiny. It is sometimes used to make steal. It is the elements between 57 and 72.

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They tend to be shiny and to conduct thermal energy and electric current well.

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Is less reactive to Alkali Metals, they have two outer-level atoms.

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It is the most reactive element because there atoms can easily give away the one outor-level electron.