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helium
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helium
Will we run out of helium?
phase diagram of helium-3 Explore an interactive periodic table of the elements Figure 12: The energy levels of three nuclei with A = 6, relative to the ground state of 6Li after subtraction of the calculated electrostatic energy. The isospin T = 1 levels exist in all three nuclei. first ionization energies of the elements nuclear binding energies cryogenic region
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Concept artwork on the periodic table of elements.
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Periodic Table of the elements concept image (chemistry)
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helium: Facts & Related Content

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Also Known As He

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helium
phase diagram of helium-3
Figure 12: The energy levels of three nuclei with A = 6, relative to the ground state of 6Li after subtraction of the calculated electrostatic energy. The isospin T = 1 levels exist in all three nuclei.
first ionization energies of the elements
nuclear binding energies
cryogenic region
Will we run out of helium?
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Key People

Lev Davidovich Landau
Lev Davidovich Landau
Russian physicist
William Ramsay
Sir William Ramsay
British chemist
Kamerlingh Onnes
Heike Kamerlingh Onnes
Dutch physicist
Frankland
Sir Edward Frankland
British scientist
Lockyer
Sir Joseph Norman Lockyer
British astronomer
Heinrich Kayser
German physicist
Willem Hendrik Keesom
Dutch physicist

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Periodic Table of the elements concept image (chemistry)
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Concept artwork on the periodic table of elements.
118 Names and Symbols of the Periodic Table Quiz
Encyclopaedia Britannica thistle graphic to be used with a Mendel/Consumer quiz in place of a photograph.
27 True-or-False Questions from Britannica’s Most Difficult Science Quizzes