The most abundant element on the earth's crust is
...The most abundant element on the earth's crust is
nitrogen
hydrogen
oxygen
flourine
Correct answer is C
- The air in Earth's atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen. Air also has small amounts of lots of other gases, too, such as carbon dioxide, neon, and hydrogen.
HOWEVER;
- Earth's crust is made up of several elements: oxygen, 46.6 percent by weight; silicon, 27.7 percent; aluminum, 8.1 percent; iron, 5 percent; calcium, 3.6 percent; sodium, 2.8 percent, potassium, 2.6 percent, and magnesium, 2.1 percent.
- This implies that Oxygen is the most abundant element (by mass) in the Earth's crust, making up almost half of the crust's mass
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