By far the most abundant element in the giant (jovian) planets is:

Name: By far the most abundant element in the giant (jovian) planets is:
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The giant planets (Jupiter, Saturn, Uranus, and Neptune) are mostly composed of hydrogen, making it the most abundant element. Helium is also present, but in a smaller amount compared to hydrogen. Oxygen, nitrogen, and silicon are only present in trace amounts.

By Far the Most Abundant Element in the Giant (Jovian)