Chemistry
JAMB 1985
Which of the following substances is the most abundant in the universe?
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A.
Carbon
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B.
Air
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C.
Water
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D.
Oxygen
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E.
Hydrogen
Correct Answer: Option E
Explanation
Element Abundance
Hydrogen 40,000
Helium 3,100
Oxygen 22
Neon 8.6
Nitrogen 6.6
Carbon 3.5
Silicon 1
Magnesium 0.91
Iron 0.6
Sulfur 0.38
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