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bressler1
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Lithium, sodium, potassium, and cesium
alkali metals
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Beryllium, magnesium, calcium, and barium
alkaline earth metals
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Helium, argon, krypton, and xenon
noble gases
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platinum, silver, and gold
precious metals
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Fluorine, chlorine, bromine and iodine
halogens
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Boron, silicon, and germanium
semimetals
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Palladium, rhodium, and iridium
platinum-group metals
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produced by direct iron reduction
sponge iron
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the addition of hydrogen to double or triple bonds
hydrogenation
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an alloy of mercury with another metal
amalgam
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active ingredient in bleach
hypochlorite ion
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the process occurring in plants that continually replenish oxygen in the atmosphere
photosynthesis
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phosphoric acid
phosphates
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the science of extracting metals from their naturally occurring materials and preparing them for use
metallurgy
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mineral compounds containing metals and silicon-oxygen groups
silicates
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polymers of silicon, oxygen, and carbon
silicones
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the process of converting atmospheric nitrogen to a form that can be used by plants
nitrogen fixation
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two or more forms of the same element that differ in their properties but exist in the same physical state
allotropes
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used to produce ammonia
Haber Process
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used to produce aluminum metal
Hall-Heroult Process
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the most common ore of the element iron
Hematite
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another name for laughing gas
Nitrous Oxide
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the group of elements that are found in nature only as free uncombined elements
Noble gases
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the alkaline earth metal that is as essential component of bone and teeth
calcium
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the process by which gold and silver are typically extracted from low-grade ores
Cyanide Process
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The blast furnace is used to extract _____ from its ore?
iron
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is typically extracted from petroleum and natural gas using the Claus Process
sulfur
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Most helium is extracted from ____.
natural gases
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one of the most common compounds of the element boron
borax
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The hormone thyroxine, produced by the thyroid gland, contains ___.
iodine
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the class of nonmetals that is the most reactive
halogens
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the compound used to manufacture fertilizer
ammonia
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Deposits inside boilers, hot water heaters, and teapots are often caused by ____.
CaCO3
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Most of the element _____ produced annually is used for acid production.
Sulfur
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Epson salts is the hydrate of _______.
Magnesium sulfate
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the nonmetal that exists in rhombic, monoclinic, and plastic forms depending on the temperature
sulfur
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Steel is an alloy of iron and a percentage of _____.
Carbon
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makes up beverage cans, spacecrafts, and aircrafts
aluminum
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the expensive metal widely used in automotive catalyst converters, spark plugs, and surgical tools
platinum
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Milk of magnesia is a suspension of _____.
magnesium hydroxide
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the third most abundant element in the earth's crust
aluminum
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lye and caustic soda
sodium hydroxide
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the important nutrients contained in commercial fertilizers
- nitrogen
- potassium
- phosphorus
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the compound used as a contrast agent for x-rays of the gastrointestinal tract
barium sulfate
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the element produced industrially by steam reforming of natural gas
hydrogen
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commonly used as a semiconductor to make computer chips
Silicon
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a naturally produced noble gas that can diffuse into home basements and is associated with an increased risk in lung cancer
radon
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a dense metal that is used in car batteries, weights, radiation shielding, and small-arms ammunition
lead
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contains high concentrations of calcium, magnesium, and iron (II) ions
hard water
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the cheapest and most widely used metal
iron
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the most malleable and ductile metal known
gold
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the primary component of window glass
silicates
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a nonmetal that does not have multiple allotropes at room temperature
hydrogen
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Malachite, cuprite, and chalcopyrite
copper
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the element that exists as an unstable white allotrope and a more stable red allotrope
phosphorus
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used to make windows in x-ray tubes
beryllium
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a very dense metal used in industrial counterweights, high-density armor, and nuclear fuels
uranium
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an allotrope of oxygen
ozone
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the most reactive of all elements
fluorine
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the second most abundant element in the earth's crust
silicon
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has the isotopes: protium, deuterium, and tritium
hydrogen
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used in refrigerants and anti-cavity dental treatment
fluorine
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used in bleaches, PVC plastic, medicines, pesticides, and water treatment
chlorine
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the most abundant element in the universe
hydrogen
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used in ammonia, artificial fertilizers, and explosives
nitrogen
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used in deep-sea diving mixtures and as a nonflammable lifting gas in airships and high-altitude ballons
helium
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the physical properties of metals
- luster
- malleability
- ductility
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What is the best reason why sulfuric acid can be used to measure the health of the US's economy
sulfur acid is used extensively in manufacturing
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