A. Oxygen
B. Hydrogen
C. Carbon Dioxide
D. Silicon

Hydrogen is the most abundant element in the Universe; helium is second. However, after this, the rank of abundance does not continue to correspond to the atomic number; oxygen has abundance rank 3, but atomic number 8.



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17 Comments to “The most abundant element in the universe is __________.”
    1. It’s H2… Not Oxygen…

      Oxygen is the most abundant element in the Earth Crust (for Universe the most Abundant element in H2).

    2. In universe most abundant element is
      Hydrogen

      In Earth’s crust most abundant element is
      Oxygen

    1. The Question is about “Abundant element in the universe not in earth” So Abundant element is universe is “Hydrogen”, and most abundant element in earth atmosphere is “Nitrogen”.

  1. Most abundant element in universe is hydrogen. Most abundant element in earth is oxygen while most abundant element in earth’s atmosphere is nitrogen.

  2. Hydrogen is the right answer because it’s the most abundant element in the universe and second is helium and oxygen is the most abundant element in earth crust it has the 3rd rank with atomic number 8

  3. Hydrogen he correct answer hy because universe ki baat ho rahe hy na k earth ki, Earth k time oxygen hy

  4. It’s oxygen, don’t post before confirmation sir, double check because if we fail in test tht will because of your mistakes

    1. dear Nasir, You did not read the question properly. its asking about universe not the earth.

      In universe most abundant element is Hydrogen

      In Earth’s crust most abundant element is Oxygen

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