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23 Cards in this Set
- Front
- Back
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What do we call the property of some elements to exists in several forms in the same physical state. name three elements that do this.
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allotropy......Oxygen, Carbon, Sulfur
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What are three uses of the this gas(nitrogen)?
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fertilizer, nylon, refrigant.
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Who discovered oxygen and what was its original name?
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Joseph Priestley Schell.......diphlogieston
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How is this gas(nitrogen) prepared two ways?
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Haber process and ??????
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What protects us from the UV radiation from the sun and what destroys it?
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Ozone layer.........CFC's Clurofloracarbons
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Why is carbon-dioxide so important to living things?
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it is used in photosynthesis by plants
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Most abundant gas in the universe.
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hydrogen
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What are three uses of oxygen?
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weld metals together, get impurities out of steel, to help people with breathing problems to breathe easier
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What happens when trapped carbon dioxide insulates the earth?
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greenhouse effect
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If a glowing spint reignites in a gas, the gas is?
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Oxygen
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Name two ways to prepare hydrogen.
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single replacement and electrolysis
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List three ways to prepare oxygen.
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Decomposition of Hydrogen peroxide, potassium chlorate with magnesium catalyst, electrolysis
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What can the greenhouse effect lead to?
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melting of all or most of the polar ice caps.
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If a burning splint foes out with a popping sound in a sample of gas, the gas is?
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Hydrogen
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Name two ways in which ozone is produced?
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Ulraviolet rays and electrical currents.
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Who discovered hydrogen and what was its original name?
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Henry Cavendash......Phlogiesten
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How is most carbon monoxide produced?
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need answer.....
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Which gas when inhaled in large quantities combines with the hemoglobin in the red blood cells to kill you.
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CO...Carbon monoxide
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What are three uses of carbon dioxide?
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Used in photosynethesis by plants.....
need other answers........ |
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Name three ways in which nitrogen is important.
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needed to produce amino acids, used to freeze blood, refrigerant
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Who gave us our present names of hydrogen and oxygen?
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Lavoisier
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The most important compound of nitrogen.
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NH3(ammonia)
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The most abundant gas in the atmosphere.
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need answer.......
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