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This question depends on what importance is being assigned. The most common dissolved ions (elemental atoms do not dissolve) are sodium and chloride, but they are many other important elements found in sea water.
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∙ 11y ago
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What two elements make up most of the oceans?
oxogen and hydrogen
What two elements are the most common stars?
The two most common elements in the Universe, and in most stars are - in that order - hydrogen and helium (elements #1 and #2).
What are two most abundant elements in common minerals?
Oxygen and silicon are the two most abundant elements found in the most common minerals. The most common minerals found on Earth are silicates.
What is the other most commons elements in the unversie?
Hydrogen and Helium are the two most common elements in the universe.
What are the two most common compounds in the earth's oceans?
Water (H2O) and salt (NaCl).
What are the two most common elements of the universe?
Hydrogen and helium.
Are the two most common elements in the world?
Oxygen & Silicone.
Two most common elements in universe?
Hydrogen, followed by helium.
What are the two most common elements in the whole Earth?
Hydrogen and helium.
What are two most common elements in Earth's crust?
oxygen and silicon
What are the two most common elements of Earth's crust?
Dirt and Dirt!
What are the 2 most common elements and compounds?
the most common element is hydrogen and its molecule of two hydrogen atoms is the most common molecule
