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1
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- bluish-white metallic element used to make many alloys like brass and bronze and to make electric fuses, roofing, and gutters
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7
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whitish gas whose name comes from the Greek word meaning hidden
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9
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very reactive metallic element converted to salts and then used in soap and fertilizer
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10
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poisonous, reactive non-metallic element used in safety matches, fertilizers, and incendiary bombs
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11
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soft brown nonmetallic element used in flares, propellant mixtures, nuclear reactor control elements, abrasives, and hard metallic alloys
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13
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element with the electron configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d2 5s2
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15
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pale-yellow poisonous gas used in air conditioning, refrigeration, insecticides, and toothpaste
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18
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- grey-white brittle metallic element whose name comes from the Latin word meaning magnet
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20
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iron-gray, malleable metallic rare-earth element used in lighters, aluminum alloys and petroleum refining
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2
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- silvery hard metallic element used in alloys, corrosion resistant surfaces and batteries for electroplating
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3
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colorless, very unreactive gas found in photographic flashes
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4
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hard silver-white element used in jewelry, electrodes for aircraft sparkplugs, and hardening Platinum alloys
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5
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colorless, flammable element, lightest of all gases
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6
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pale grey rare-earth metal used in infrared absorbing glass and neutron absorber in nuclear reactors and headphones
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8
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synthetic element produced by irradiating plutonium and other elements
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12
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pale yellow element used to make black gunpowder and insecticides
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14
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A soft, light, extremely malleable silver-white metallic element that reacts explosively with water, common in salt
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16
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white brittle metal with slight pink color used in fire detecting systems
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17
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used in plaster, Portland cement, electronic materials, and dairy products
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19
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soft ductile dense metal used in containers and pipes for corrosives, bullets, and paints
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