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Question
The most abundant element among the following is:
The most abundant element among the following is:
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Solution
The correct option is C H
Hydrogen is more plentiful than any other element, making up about 3/4 the mass of the universe. . Helium is second, making up almost all of the remaining 25%. Oxygen is a distant third.On earth, oxygen is the most common element, making up about 47% of the earth's mass. Silicon is second, making up 28%, followed by aluminum (8%), iron (5%), magnesium (2%), calcium (4%), sodium (3%), and potassium (3%). All of the remaining elements together make up less than 1% of the earth's mass.
Hydrogen is more plentiful than any other element, making up about 3/4 the mass of the universe. . Helium is second, making up almost all of the remaining 25%. Oxygen is a distant third.
On earth, oxygen is the most common element, making up about 47% of the earth's mass. Silicon is second, making up 28%, followed by aluminum (8%), iron (5%), magnesium (2%), calcium (4%), sodium (3%), and potassium (3%). All of the remaining elements together make up less than 1% of the earth's mass.
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