Question:medium

Which is not a prime element?

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In chemistry, prime elements are those that exist in their simplest form and cannot be decomposed into smaller, fundamental elements.
Updated On: Jan 13, 2026
  • Carbon
  • Nitrogen
  • Hydrogen
  • An element that can be factored into non-unit factors
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The Correct Option is D

Solution and Explanation


A prime element is a fundamental unit indivisible into simpler components. Carbon, hydrogen, and nitrogen exemplify prime elements due to their basic, undecomposable nature. Option (d) is disqualified as a prime element because it is factorable.
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