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The answer is not water. Please stop changing it. 2 oxygen atoms and one hydrogen atom combine to form the substance Hydroperoxyl, as the formula would be HO2, not H2O. Hydroperoxyl is at equilibrium in an aqueous solution. Hydroperoxyl is more commonly known as Hydrogen Peroxide, which is available in most stores that sell over-the-counter medications.

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What two elements when combined forms water?

The elements are: two hydrogen atoms and one oxygen atom. Combined they form water (H2O).


When hydrogen and oxygen are combined how many of these atoms are compounds?

An atom is not a compound. A compound is a pure substance that is composed of atoms of two or more elements chemically combined. The elements hydrogen and oxygen combine to form water, which is a compound. 2H2 + O2 --> 2H2O


What 2 elements combined create water?

Water is H2O, two hydrogen atoms and one oxygen atoms.


What is formed when two hydrogen atoms H are combined with one oxygen atom O?

Water..


When combined in a ratio with hydrogen the element makes water?

Oxygen. Hydrogen and oxygen bond in a ratio of 2 hydrogen atoms to one oxygen atom to form water, represented by the chemical formula H2O.


What happens to oxygen when hydrogen is removed from h2o?

When hydrogen is removed from H2O, oxygen atoms remain. These oxygen atoms may bond with other atoms to form new compounds or molecules, such as O2 (oxygen gas) or H2O2 (hydrogen peroxide), depending on the conditions.


What atoms are in wood?

Wood contains quite a few atoms such as carbon, hydrogen and oxygen which are combined together to make compounds such as celluose.


What is the chemical make up of water?

Pure water contains 2 hydrogen atoms to 1 oxygen atom ratio and combined with together as H2O.


What is H2O combined by?

H2O is composed of two hydrogen atoms and one oxygen atom chemically bonded together. The hydrogen atoms are covalently bonded to the oxygen atom, forming a stable molecule known as water.


When hydrogen and oxygen react to form water what happens to the atoms of the hydrogen and oxygen?

The hydrogen atoms bond with the oxygen atoms to form water molecules, where each water molecule consists of two hydrogen atoms and one oxygen atom. During this reaction, the hydrogen and oxygen atoms do not disappear or change into different elements; they simply rearrange to form a new compound, water.


What does water and oxygen make up?

Oxygen is made of a oxygen atom and water is made out of a oxygen atom and two hydrogen atoms. When combined under the right conditions, hydrogen peroxide can be formed (H2O2).


What gas does hydrogyn and oxygen make combined?

When two atoms of hydrogen combine with one atom of oxygen- water is made H2O