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Highly reactive because they only have 7 electrons. They need 8 to be a stable element.

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Which of these groups in the periodic table is made from non-reactive elements?

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What are the elements in group 8 called on the periodic table?

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What are elements called in the periodic table in Group one?

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Group 8A also referred to as Group 18 elements on the periodic table share which characteristics?

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Why group 12 is more reactive?

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