Abundant elements
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The most abundant element in the universe is
Hydrogen
The second most abundant element in the universe is
helium
most abundant element in earths oceans
hydrogen and oxygen
most abundant element in earths core?
iron
Most abundant element in the atmosphere?
nitrogen
Most abundant element in Earth's crust
oxygen
second most abundant the atmosphere
oxygen
most abundant elements in the mantle
oxygen, silicon, magnesium
The second most abundant element in the earth's crust is
silicon
most abundant element dissolved in earths oceans
sodium and chlorine