Chemistry

What do scientists use to help organize the elements?

More Questions from Chemistry
What gas in excited state is responsible for the bright red and yellow-green colors of the aurora?
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Which of the following carbocations is most stable?
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Which do people use in a swimming pool?
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What is the total energy of particles in matter called?
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The temperature at which gas becomes liquid is considered what?
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What is the symbol used on the periodic table for the element Promethium?
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What is the term for rain that contains chemical pollutants?
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Which noble gas has "A" as its first letter?
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