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10 Cards in this Set
- Front
- Back
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What do you call elements in last column of the periodic table that do not normally combine with anything else?
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noble gases
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What is the only metal that is a liquid at room temperature?
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mercury
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Name the most widely used halogen.
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chlorine
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What is the densest of the everyday metals?
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lead
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What element group is highly reactive, showing a special tendency to form compounds with alkali and alkaline earth metals?
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halogens
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What colorless, odorless gas makes up about 78% of the earth's atmosphere?
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nitrogen
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What semimetal is used to make computer chips?
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silicon
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Name of the most common alkaline metal.
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calcium
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Name the building block of all complex compounds found in all living organisms.
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carbon
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What is the most abundant element at the earth's surface.
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oxygen
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