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Chem Chapter 6
| Question | Answer |
|---|---|
| semimetal | boron |
| aluminum, gallium, indium, and thallium | metals |
| 3rd most abundant element in earth's crust, 2nd in production, strong when alloyed, structural material | aluminum |
| 50% found in limestone, fossil fuels, diamond and graphite, natural gas, organic chemistry, beverages, dry ice | carbon |
| 2nd most abundant, transistors, solar cells, and glass | silicon |
| electronic devices | germanium |
| coat steel cans | tin |
| car batteries | lead |
| 80% of the earth's atmosphere, fertilizer and ammonia, _______ fixation | nitrogen |
| found in all living organisms, give soft drinks their tart or sour taste | phosphorus |
| most abundant element on earth by mass, 23% of air, 89% of water, 46% of crust, colorless, odorless, tasteless gas | oxygen |
| known as brimstone, iron pyrite, added to natural gas to make leak detection easier, detergents, lubricants, paints, plastics, insecticides, pharmaceuticals, food additives, explosives, and lead storage batteries | sulfur |
| fluorine, chlorine, bromine, iodine, astatine | halogens |
| yellow gas, corrosive, most reactive of all the elements, chlorofluorocarbons, lubricants and Teflon | fluorine |
| green-yellow gas, salt, bleach, polyvinyl chloride, plastics, hazardous to humans sometimes | chlorine |
| dark red liquid, fire retardants, pesticides, photographic films | bromine |
| dark gray solid, Kl + NaCl, tincture | iodine |
| astatine | radioactive solid |
| most abundant noble gas | argon |
| most commercially important | helium |
| radioactive noble gas | radon |
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mpiontek