GK
BIG BANG THEORY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Why are hydrogen and helium the first elements to form and the most abundant?
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They are complex elements so all other elements can form from them
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They are the most simple and easy to form elements
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They are not the most abundant elements
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None of the above
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Explanation:
Detailed explanation-1: -This distinction is significant because hydrogen and helium are the only elements that were produced in significant quantities in the Big Bang.
Detailed explanation-2: -Helium is the second-most abundant element in the universe, after hydrogen, and accounts for about 25 percent of the atoms in the universe. Most of the helium in the universe was created in the Big Bang, but it also is the product of hydrogen fusion in stars.
Detailed explanation-3: -Hydrogen is the simplest element. Each atom of hydrogen has only one proton. Hydrogen is also the most abundant element in the universe. Stars such as the sun consist mostly of hydrogen.
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