Chemistry 10 & 11 Flashcards
Mineral compounds containing metals and silicon-oxygen groups are called:
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Milk of magnesia, a suspension of _______________________ is used as a stomach antacid and laxitive.
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Epsom salts, the hydrate of __________, is used in hot baths to reduce swelling.
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An expensive metal widely used in automotive catalytic converters, spark plugs, and surgical tools is ________________.
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The nonmetal that exists in rhombic, monoclinic, and plastic forms depending on the temperature is _______________.
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A lightweight metal extracted from bauxite and widely used in aircraft, spacecraft and beverage cans is ________________.
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Most of the element _______________ produced annually is used for acid production.
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Steel is an alloy of iron and a small percentage of ________________.
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Gold and silver are typically extracted from low-grade ores using the ______________.
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Laughing gas, a compound used as an anesthetic in minor dental surgery is ________________.
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The element ______________ is typically extracted from petroleum and natural gas using the Claus process.
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Brass and bronze are both alloys of ____________.
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The process by which certain micro organisms convert atmospheric nitrogen to a form that can be used by plants is ______________.
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The blast furnace is used to extract __________ from its core.
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The hormone thyroxine produced by the thyroid gland contains _________________.
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Deposits inside boilers, hot-water heaters, and teapots are often due to _____________.
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Most helium is extracted from _____________.
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What group of elements are found in nature only as free, unconvinced elements?
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What is the third most abundant element in the earth’s crust?
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Which class of nonmetals is the most reactive?
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What compound used in fertilizer manufacturing is produced by the Haber process?
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What alkaline earth metal is an essential component of bone and teeth?
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What are alkali metals ?
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What are alkaline earth metals?
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What are chalcogens?
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What are halogens?
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What are noble gases?
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What are platinum-group metals?
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What are precious metals?
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What are semimetals?
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Hematite is the most common ore of the element _____________.
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Borax is one of the most common compounds of the element ______________.
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The Hall-Heroult process is used to produce _____________.
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Two or more forms of the same element that differ in their properties but exist in the same physical state are called _______________.
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Lye and caustic soda are common names for ______________.
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Water containing high concentrations of calcium, magnesium, and iron (II) ions is called _______________ water.
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Malachite, cuprite and chalcopyrite are ores of ______________.
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Ozone is allotrope of the element _____________.
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What naturally produced noble gas can diffuse into home basements and is associated with an increased risk of cancer?
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What is the most reactive of all elements?
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What element is produced industrially by steam reforming of natural gas?
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What semiconductor is most commonly used to make computer chips?
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Which of the following statements best explains why sulfuric acid can be used to measure the health of the United States economy?
(See question number 43)
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Which of the following elements is not an important nutrient contained in commercial fertilizers?
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What compound is used as a contrast agent for X-rays of the gastrointestinal tract?
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What dense metal is used in car batteries, weights, radiation, shielding, and small arms ammunition ?
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Which of the following is not a method of hardening steel?
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What is the cheapest and most widely used metal?
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What metal is used to make the windows in X-ray tubes?
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What is the primary component of window glass?
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Which of the following physical properties is not characteristic of metals?
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What very dense metal is used in industrial counterweights, high-density armor, and nuclear fuels?
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What is the most malleable and ductile metal known?
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Which of the following nonmetals does not have multiple allotropes at room temperature?
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Which of the following is not an ion of oxygen?
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What element exists as an unstable white allotrope and a more stable red allotrope?
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True/False:
An alloy of mercury with another metal is called an (amalgam .)
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True/False:
The form of iron produced by direct iron reduction is (pig iron.)
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True\False:
The active ingredient in bleach is the (chloride) anion.
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True/False:
Salts of phosphoric acid are called (phosphorics.)
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True/False:
The science of extracting metals from their naturally occurring materials and preparing them for use is called (metallurgy.)
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True/False:
The addition of hydrogen to double or triple bonds is known as (hydrogenation.)
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True/False:
The process occurring in plants that continually replenishes oxygen in the atmosphere is (respiration.)
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Define argon ….
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Define chlorine ….
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Define fluorine ….
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Define helium….
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Define hydrogen …
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Define nitrogen ….
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Define oxygen …
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Define silicon….
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The second most abundant element in the earth’s crust
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Used in refrigerants and as an anti cavity dental treatment
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Used in bleaches, pic plastic, medicines, pesticides and water treatment
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Used in deep sea diving mixtures and as a nonflammable lifting gas in airships and high altitude balloons
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Used in ammonia, artificial fertilizers and explosive compounds
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The most abundant element in the universe
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Isotopes are protium, deuterium and tritium
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Briefly describe the two processes commonly used to refine steel. Determine which of these processes would be more useful in a country where electricity is expensive, support your conclusion based on the descriptions you have given.
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Polymers of silicon, oxygen, and carbon are called:
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