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Look at the periodic table and the characteristics of the elements given above. Select the group of elements that include only those that are either colorless, odorless gases or shiny, silvery, soft metals.
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Look at the periodic table and the characteristics of the elements given above. Select the group of elements that include only those that are either colorless, odorless gases or shiny, silvery, soft metals.

User Madjar
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A.Radon,neon,calcium
User Norayr Ghukasyan
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Radon neon and calcium
User Shamar Yarde
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