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Very reactive, electropositive, monovalent metals forming strongly alkaline hydroxides.

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Reactive nonmetallic elements that form strongly acidic compounds with hydrogen.

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The group of nitrogen, phosphorus, arsenic, antimony, bismuth, ununpentium.

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The group of the periodic table, comprising boron, aluminium, gallium, indium, thallium.

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They are at the bottom of the periodic table.

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The elements are helium , neon, argon, krypton, xenon, radon, and element Ununoctium.

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The group of Oxygen, Sulfur, Selerrium, Tellurium, and Potassium.

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The group of carbon, silicon, germanium, tin, lead, and flerovium.

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A heavy radioactive metallic elements of increasing atomic number

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Any type of various metallic elements like chromium, iron, and nickel that have valence electrons in two shells instead of only one.

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They all have all have two valence electrons and form +2 cations.

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A Period is a horizontal row of the periodic table.

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The group is of multiple elements that are similar.