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Because oxygen has a 2- charge and hydrogen has a +1 charge.

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11y ago

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What is the ration of hydrogen to oxygen atoms in a water molecule?

The ratio of hydrogen to oxygen atoms in a water molecule is 2:1, with two hydrogen atoms for every one oxygen atom.


What is the ratio of hydrogen atoms to oxygen atoms to be in a molecule of ice?

The ratio of the number of hydrogen atoms to the number of oxygen atoms in any physical state of water is always 2:1, as shown by the chemical formula of water, H2O.


How many hydrogen atom are present in each molecule?

Per every water molecule, there are 2 hydrogen atoms and 1 oxygen atom. These atoms make up a water molecule.


How many hydrogen atoms atoms are present in each water molecule?

There are 2 hydrogen atoms present in each water molecule. This can be seen from the formula for water H2O -- this tells us there are 2 atoms of hydrogen combined with 1 atom of oxygen


Dose water contain half as many hydrogen atoms as oxygen atoms?

No, the chemical formula for water is H2O. This means that for every oxygen atom in the compound, there are two hydrogen atoms. Thus, the number of hydrogen atoms in water is double the number of oxygen atoms.


What two compounds make water?

Hydrogen and Oxygen forming H2O (two hydrogen atoms for every oxygen atom per molecule)


2. How many oxygen atoms are in a molecule of water?

well, i think there would be 2 hydrogen atoms and 1 oxygen atom for every molecule of H2O, so...do the math


What are the 3 atoms that make a molecule?

Water is made up of two different elements and three atoms their are two atoms of hydrogen and their is one atom of oxygen, which forms (makes) water or H2OH2 + O --> H2O


Does water have more hydrogen or oxygen in it?

By number of atoms it has more hydrogen, by mass it has more oxygen. Each water molecule contains two hydrogen atoms and one oxygen atom. However, a typical oxygen atom has about 16 times the mass of a typical hydrogen atom.


How many different kinds of atoms make up a molecule of water?

There are two types of elements in water. It is made up of Oxygen and Hydrogen. There are two Hydrogen atoms for every Oxygen atoms and the chemical compound of water is H2O.


What does the '₂' mean on H₂O?

H means hydrogen, the 2 means two parts of oxygen, O. So that 2 represents how many oxygen atoms are in one molecule of water. Or you could say that there are two parts oxygen to every part of hydrogen like a ratio of 2:1.


Why doesnt oxygen have a subscript in the formula H2O?

Oxygen does not have a subscript in the formula H2O because it forms a covalent bond with hydrogen atoms to create a stable molecule. The subscript 2 in H2O indicates that there are two hydrogen atoms bonded to one oxygen atom, making the molecule water.