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billafin billafin
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A month ago

Consider the element with the electron configuration [Xe]6s24f7. This element is



▸ a halogen.

▸ a lanthanide element.

▸ a nonmetal.

▸ an actinide element.

▸ a noble gas.
Textbook 
Chemistry: Atoms First

Chemistry: Atoms First


Edition: 4th
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naj2008hnaj2008h
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A month ago
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