0
Hydrogen and oxygen are technically the most abundant elements, as they are the constituents of water (H2O). Excepting those two elements, chlorine, as chloride ions, is the most abundant element, followed by sodium ions.
Wiki User
∙ 13y ago
Wiki User
∙ 11y agoHydrogen & Oxygen in a 2 to 1 ratio - and sodium chloride.
Wiki User
∙ 13y agoHydrogen.
2 hydrogen atoms per one oxygen per water molecule.
Wiki User
∙ 15y agoThe five most abundant elements in seawater would be Oxygen, Hydrogen, Chlorine, Sodium, and Magnesium.
Wiki User
∙ 11y agoHydrogen is the most abundant element in earth's oceans. Oceans are full of water. Water is 66.66% made of hydrogen.
Wiki User
∙ 13y agoThat would be water. H2O.
Or hydrogen and oxygen.
Wiki User
∙ 11y agosalt
Add your answer:
Earn +20 pts
What is the most abundant mineral in the ocean floor?
The most abundant mineral in the ocean floor is basalt. There are also some other minerals like sand, gravel and granite that are found in the ocean floor.
The most abundant elements in earth's crust are?
The most common element in the earth's crust is oxygen.
What is the most abundant ion in seawater?
Chloride is actually the most abundant ion in ocean water.
What are the two most abundant elements in the troposphere?
78% of Nitrogen and 21% of Oxygen
What are the 8 elements that make up the earths crust?
The eight most abundant elements making up the Earth's crust from most to least abundant are oxygen, silicon, aluminum, iron, calcium, sodium, potassium, and magnesium.
What are the 2 most abundant elements in the ocean?
oxygen and water
What are two abundant elements in the ocean?
hydrogen and oxygen
What element is among the five most abundant elements in the sun earth ocean atmosphere and organism?
aw
What elements are inocean?
To some concentration, probably all of them, but the ocean is primarily water which is hydrogen and oxygen. There is a lot of salt in the ocean which is mostly sodium and chlorine. So I would say those are probably the four most abundant elements in the ocean.
What is the most abundant earth crust?
The most abundant elements are oxygen, silicon, and aluminum.
What are two elements which are abundant in nebulae?
Ionized hydrogen and helium are the most abundant chemical elements in nebulae.
Which is our most abundant elements in the body?
In number of atoms (element) hydrogen is the most abundant, not in mass.
What are The most abundant elements in Earth's curst?
The two most abundant element's in the earth's crust are oxygen and silicon. Refer to the related link to see a list of the most abundant elements in the earth's crust.
What are the most abundant elements on earth?
Hydorgen
What are the two most abundant elements in a main sequenced star?
The two most abundant elements in a main sequenced star are Hydrogen(H) and Helium(He).
What are the most abundant elements in the tissues of trees?
elements of fire! yaaaay!
The most abundant element in the ocean?
hydrogen
