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Water molecules are composed of two atoms of hydrogen and one atom of oxygen. The hydrogen atoms each bring an electron to the reaction, and the oxygen atom brings eight. The resulting molecule has two plus eight electrons, or ten electrons in it.

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How many protons neutrons and electrons are there in a molecule of water?

The number of neutrons will vary depending on the isotopes of hydrogen and oxygen in the molecule. The number of protons and electrons will be 10 each in every molecule.


How many electrons are shared between the atom in a molecule of methane CH4 and in a molecule of water H2o?

In a molecule of methane (CH₄), each carbon atom shares four electrons with four hydrogen atoms, resulting in a total of four shared electrons. In a molecule of water (H₂O), the oxygen atom shares two electrons with two hydrogen atoms, leading to a total of two shared electrons. Thus, methane has four shared electrons, while water has two.


Does a water molecule have more protons than electrons?

No, a water molecule contains the same number of protons and electrons. In a water molecule (H2O), there are 10 protons (2 from each hydrogen and 8 from oxygen) and 10 electrons (2 from each hydrogen and 8 from oxygen).


How many sigma electrons are present in 9 grams of water?

In water (H₂O), each hydrogen atom contributes one sigma electron, and the oxygen atom contributes two sigma electrons, resulting in a total of four sigma electrons per water molecule. The molar mass of water is approximately 18 grams per mole, so 9 grams of water corresponds to 0.5 moles. Therefore, the total number of sigma electrons in 9 grams of water is 0.5 moles × 4 sigma electrons/molecule × Avogadro's number (approximately (6.022 \times 10^{23}) molecules/mole), resulting in about (1.21 \times 10^{24}) sigma electrons.


Why do water molecules stick to together?

Although a water molecule has an overall neutral charge (having the same number of electrons and protons), the electrons are asymmetrically distributed, which makes the molecule polar. This polarity makes them bond together weakly.


What is a water molecule considered when oxygen pulls electrons closer?

The water molecule is polar.


Atomic weight of electrons in h2o?

Negligible. The mass of an electron is around 1/1840 of an amu, so the 18 electrons in a water molecule contribute a little under 0.01 amu to the total mass of the molecule.


How many electrons does a water molecule have?

A molecule of of H2O has 10 electrons: two from the hydrogen and 8 from the oxygen.


What forms across a water molecule as a result of unequal distribution of electrons?

The water molecule become polar.


How many electrons are in the outermost energy level of an oxygen atom as shares electrons with hydrogen atoms as part of a water molecule?

Eight. Oxygen has 6 electrons and shares two more with the hydrogen atoms in covalent bonds


How many pairs of valence electrons are there on the oxygen atom in the water molecule?

There are 4 valence electrons on the oxygen atom in the water molecule. Oxygen has 6 valence electrons, and in a water molecule, oxygen forms 2 covalent bonds with the hydrogen atoms, sharing 2 of its valence electrons with each hydrogen atom.


Why is the total electrical charge of a water molecule neutral?

there are no valence electrons left over after the two H atoms combine with the O atom.