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radium

B2 noun

radium /ˈɹeɪ.di.əm/ nghĩa là rađi

Các nghĩa

  1. rađi

    The chemical element (symbol Ra) with an atomic number of 88. It is a soft, shiny and silvery radioactive alkaline earth metal.

    countable · uncountable

    Who discovered radium?

    Who was radium discovered by?

    It was Marie Curie who discovered radium.

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