हिंदी

Which from following is a lanthanoid element?

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प्रश्न

Which from following is a lanthanoid element?

विकल्प

  • Er

  • Am

  • Np

  • Lr

MCQ
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उत्तर

Er

Explanation:

Erbium (Er) is a lanthanoid element, whereas Americium (Am), Neptunium (Np) and Lawrencium (Lr) are actinoid elements

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