8 a to oxidize when sparked with oxygen, and on examining it spectroscopically he saw that the spectrum was not that of argon, but was characterized by a bright yellow line near to, but not identical with, the D line of sodium. [Please select]
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Argon, the Ilkhan monarch of Persia, the grandson of Hulagu, Kublai’s brother, had lost his Mongol wife, and on her deathbed had promised not to wed any other woman but a Mongol of her own tribe. [Please select]
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They delivered the young lady safely to Argon’s successor--for Argon was dead--and she married Argon’s son. [Please select]
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