Topic: Helium Spectrum
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Answers to Common Questions
What is the contradiction if a stellar spectrum exhibits both mol...
Is this a trick question? Generally speaking helium lines only form at temperatures well above the cooler temperatures where molecular traits can form (to be displayed spectroscopically). So, the implied contradiction is two opposing therma... Read More »
Source: http://wiki.answers.com/Q/What_is_the_contradiction_if_a_stellar_...
Why is the presence of large amount of helium in the spectrum of ...
Stars fuse hydrogen into helium, and then fuse the helium into carbon. For a star to have more than about 50% helium, we know that the star has already burned up half of its natural fuel, and that the end is near. Read More »
Source: http://wiki.answers.com/Q/Why_is_the_presence_of_large_amount_of_...
Why does the helium spectrum have more lines than the hydrogen sp...
Answer Does the questioner mean, "Why does the helium spectrum have more VISIBLE lines than hydrogen?"? I am not sure how many lines (within as well as outside the visible spectrum) that there are in the spectrum of each of these elements. ... Read More »
Source: http://wiki.answers.com/Q/Why_does_the_helium_spectrum_have_more_...
More Common Questions
Answers to Other Common Questions
Helium in a star is the "nuclear ash", what's produced when hydrogen is fused in the nuclear fire that powers a star. SOME helium is common, but once the proportion of hydrogen drops below about 60%, the helium will interfere with the fusio...
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Source: http://wiki.answers.com/Q/Why_is_the_presence_of_helium_in_the_sp...
what r u on about
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Source: http://wiki.answers.com/Q/How_does_the_spectrum_of_helium_differ_...
Helium has two electrons around a nucleous so you would look for an element that has two electrons more then filled shells. Lithium has 2 electrons in a filled shell and 1 electron more so it wouldn't work too well. Beryllium has 2 electron...
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Source: http://wiki.answers.com/Q/Which_of_the_following_can_be_expected_...
You will probably see 600 lines per millimeter. Thanks for...
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Source: http://www.chacha.com/question/how-many-lines-do-you-expect-to-se...
Sorry...
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Source: http://www.chacha.com/question/how-many-different-photons-of-radi...
Well if you could get a piece of paper with many small distinguishable markings on it like really fine graph paper and make a scale on it made up of 300 marks, then work out the wavelengths or find out the wavelength found in their spectra ...
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Source: http://answers.yahoo.com/question/index?qid=20091213103832AAhug0l
How many lines do you expect to see in the helium spectrum? A) 13 B)None C) Hundreds D)4 E)An infinite number because an emission spe...
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Source: http://www.chacha.com/question/how-many-lines-do-you-expect-to-se...
