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Does hydrogren pulls on the shared electrons more than oxygen in water?
Wiki User
∙ 15y ago
No, the opposite occurs. As the oxygen atom is much larger, it has a bigger 'pull' on the shared electrons, creating an uneven distribution of electrons known as a permanent dipole. No, Oxygen pulls the electrons more strongly than the Hydrogen, resulting in a partial negative charge on the Oxygen, and partial positive charges on the hydrogens.
Wiki User
∙ 15y ago
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Which atom pulls the shared electrons more closely to itself in an O-H bond and why?
Oxygen is more electronegative than hydrogen, which means it will pull the shared electrons more closely to itself. Very few elements will lose electron density to hydrogen in common chemistry.
Why dont hydrogen and oxygen atoms share electrons equally in a water molecule?
Because the electronegativity of oxygen is about 3.5 and the electronegativity of hydrogen is about 2.5. So, the electrons shared in this polar covalent bond spend more time in the orbitals around oxygen that the orbitals around hydrogen giving the molecule slightly negative and positive ends.
Do polar covalent bonds have a positive or negative charge?
Both. One side is positive while the other is negative. Taking H2O as an example, the hydrogen molecule pulls the shared electrons closer to itself, and further away from the two Oxygen molecules. This gives the Oxygen side of the H2O molecule a positive charge and the Hydrogen side a negative charge.
How is water molecule polar?
water molecule is polar due to higher electronegativity of the oxygen atom than hydrogen. The oxygen molecule pulls the shared pair of electrons partially towards itself resulting in the hydrogen atom having a small positive charge on it and the oxygen atom having a small negative charge, thus causing polarity.
Is NO nonpolar covalent or polar covalent?
NO is polar. If you compare the electronegativities (how strongly the element pulls on electrons) N 3.04 O 3.44 ( bigger therefore pulls electrons harder) The electrons will be drawn to the oxygen causing it to be slightly negative, and the N to be slightly positive.
Which atom pulls the shared electrons more closely to itself in an O-H bond and why?
Oxygen is more electronegative than hydrogen, which means it will pull the shared electrons more closely to itself. Very few elements will lose electron density to hydrogen in common chemistry.
Why dont hydrogen and oxygen atoms share electrons equally in a water molecule?
Because the electronegativity of oxygen is about 3.5 and the electronegativity of hydrogen is about 2.5. So, the electrons shared in this polar covalent bond spend more time in the orbitals around oxygen that the orbitals around hydrogen giving the molecule slightly negative and positive ends.
Which atom pulls the shared electrons more closely to itself in an 0-H bond?
The oxygen, of course. The oxygen has a electronegativity of 3.5 to the hydrogens 2.2 negativity, so the electron tends to spend more time in the oxygen orbital giving that end hydrogen a slightly positive charge.
What is a water molecule considered when oxygen pulls electrons closer?
The water molecule is polar.
Is NO nonpolar?
NO is polar. If you compare the electronegativities (how strongly the element pulls on electrons) N 3.04 O 3.44 ( bigger therefore pulls electrons harder) The electrons will be drawn to the oxygen causing it to be slightly negative, and the N to be slightly positive.
Why are electrons shared equally in the Ozone and unequally in carbon dioxide?
The ozone molecule consists of 3 oxygen atoms, and all oxygen atoms have exactly the same attraction for electrons (technically called electronegativity) so naturally, they share electrons equally. The carbon dioxide molecule consists of one carbon atom and two oxygen atoms. Carbon does not attract electrons as strongly as oxygen does (it has a lower electronegativity) so therefore the electrons are not shared equally.
Do polar covalent bonds have a positive or negative charge?
Both. One side is positive while the other is negative. Taking H2O as an example, the hydrogen molecule pulls the shared electrons closer to itself, and further away from the two Oxygen molecules. This gives the Oxygen side of the H2O molecule a positive charge and the Hydrogen side a negative charge.
How is water molecule polar?
water molecule is polar due to higher electronegativity of the oxygen atom than hydrogen. The oxygen molecule pulls the shared pair of electrons partially towards itself resulting in the hydrogen atom having a small positive charge on it and the oxygen atom having a small negative charge, thus causing polarity.
Why is oxygen needed for the final step in cellular respiration?
Oxygen is the final electron acceptor. Oxygen, with it's great electronegativity, pulls electrons through the electron transport chain where these electrons provide the motive force to pump protons into the outer lumen of the mitochondria. When these protons fall down their concentration gradient oxygen is there to pick then up with the electrons and form water.
Is NO nonpolar covalent or polar covalent?
NO is polar. If you compare the electronegativities (how strongly the element pulls on electrons) N 3.04 O 3.44 ( bigger therefore pulls electrons harder) The electrons will be drawn to the oxygen causing it to be slightly negative, and the N to be slightly positive.
How does the size of a beryllium atom compare with the size of an oxygen atom?
Oxygen is fairly smaller than Beryllium. The two have the same amount of orbital shells, but Oxygen has more protons, which pulls its electrons closer together, thus decreasing the overall size!
Explain why in a covalent bond between oxygen and hydrogen the hydrogen atom has a partial positive charge and the oxygen atom has a partial negative charge?
Because, unless bonded to another hydrogen atom, the "covalent" bond is actually partially ionic, meaning the electron shared in the bond tends to spend more time close to the other atom making the hydrogen partially positive. This is due to electronegativity. Most other atoms are more electronegative than hydrogen, meaning they have a stronger attractive force for electrons than hydrogen does, so the other atom pulls on the hydrogen more strongly and ends up being more negative in the bonding pair than hydrogen.
