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the halogens are the chemical elements that is in group 17 and it has 7 electrons

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the nitrogen group is the chemical elements that is in group 15 and has 5 electrons

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The boron group are the chemical elements that is in group 13 and has 3 electrons

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the lanthanides is elements with the numbers of 57-71

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any of the elements in group 2 are alkaline earth metals

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

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the nobel gases are in the chemical elements that is in group 18 and has 8 electrons

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the oxygen group is the chemical elements that is in group 16 and has 6 electrons

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the carbon group are the chemical elements that is in group 14 and has four electrons

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a series of radioactive metallic elements in group three

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The transition metals are the metallic elements that serve as a bridge, or transition between the two sides of the table

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A group is a family where there is all the same materials with the same amount of electrons

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a chemical compound that neutralizes or effervesces with acids and turns litmus blue