The most valuable element is Californium (Cf). Its Cf-252 isotope is used in nuclear reactors and cancer therapy. Cf-252 costs $350 billion per pound
In the Earth crust the most abundant are oxygen and silicon.
The two elements that commonly occur within the earth crust are Oxygen and Silicon.
Nitrogen 78 % Silica in soil
They are the three compositional elements of most forms of art.
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These elements are nitrogen, oxygen and argon.
The three most abundant elements in the Earth's atmosphere and the percents are:nitrogen-78,084 %, oxygen-20,946 % and argon-0,934 %.?
The three elements that make up most of Earth's mantle are oxygen, silicon, and magnesium.
The three most abundant elements on Earth are oxygen, silicon, and aluminum. Oxygen is the most abundant element, making up about 47% of the Earth's crust by weight, followed by silicon at about 28%, and aluminum at around 8%.
The three most abundant elements in Earth's crust are oxygen, silicon, and aluminum. Oxygen is the most abundant element overall, comprising about 46% of Earth's crust by weight.
Si, O, and Ca.
Most elements on the Earth occur as oxides or silicates.
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The top three elements in Earth's atmosphere are nitrogen (78%), oxygen (21%), and argon (0.93%). These three elements together make up the vast majority of the gases present in the atmosphere, with nitrogen being the most abundant.
oxygen, silicon, aluminium
Carbon bonds with chlorine potassium and other solids and liquids to make salts.
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