In the
covalent bond
between oxygen and hydrogen, the oxygen atom attracts electrons a bit more strongly than the hydrogen atoms. The unequal sharing of electrons gives the water molecule a slight negative charge near its oxygen atom and a slight positive charge near its hydrogen atoms.
Why does the oxygen want the electrons more than the hydrogen?
Oxygen has a higher electronegativity ( 3.5) than Hydrogen
(2.2) so the electrons are drawn more to the Oxygen than Hydrogen.
Why does oxygen attract electrons more strongly than hydrogen?
The oxygen atom attracts the shared electrons more strongly than the hydrogen atoms do
because the nucleus of the oxygen atom has more positively charged protons
. As a result, the oxygen atom becomes slightly negative in charge, and the hydrogen atoms become slightly positive in charge.
Why does oxygen pull harder on the electrons than the hydrogen?
The
oxygen atom is more electronegative
(it is better than hydrogen at attracting electrons, because it has more positively charged protons in its nucleus), and this makes it slightly more negative; consequently, the hydrogen atoms are unable to hold the electrons near to them, and become slightly more positive.
What has a greater attraction for electrons than hydrogen?
1. the
oxygen atom
has a greater attraction for electrons than the hydrogen atom does.
How does hydrogen bond with oxygen?
Strong linkages—called
covalent bonds
—hold together the hydrogen (white) and oxygen (red) atoms of individual H
2
O molecules. Covalent bonds occur when two atoms—in this case oxygen and hydrogen—share electrons with each other. … Each H
2
O can bind to a maximum of four neighbors through these so-called hydrogen bonds.
Why can oxygen only form 2 bonds?
There are 2 missing electrons in the oxygen valence shell. It can therefore only form a maximum of 2 bonds, if both are sigma bonds. Oxygen is capable of forming two single bonds
because on its outer shell it has six valence electrons
. … Therefore, to be stable, oxygen needs to gain two electrons.
Why is oxygen more negative than hydrogen?
Thus oxygen has
a higher electronegativity than hydrogen
and the shared electrons spend more time in the vicinity of the oxygen nucleus than they do near the nucleus of the hydrogen atoms, giving the atoms of oxygen and hydrogen slightly negative and positive charges, respectively.
Why does oxygen pull the electron density towards itself in the water molecule?
Explanation:
Because of the high nuclear charge of the oxygen atom
, it tends to polarize electron density.
Is oxygen more electronegative than nitrogen?
Oxygen is
more electronegative than nitrogen
but nitrogen has higher ionization energy than oxygen.
Is oxygen stronger than hydrogen?
The oxygen atom is more electronegative (
it is better than hydrogen
at attracting electrons, because it has more positively charged protons in its nucleus), and this makes it slightly more negative; consequently, the hydrogen atoms are unable to hold the electrons near to them, and become slightly more positive.
Which atom is bigger hydrogen or oxygen?
A hydrogen atom has
a mass of approximately 1 u. An oxygen atom has a mass of approximately 16 u. The ratio of the mass of an oxygen atom to the mass of a hydrogen atom is therefore approximately 16:1.
Why is oxygen attracted to hydrogen?
Hydrogen atoms are attracted to other atoms such as oxygen atoms,
because the electrons are pulled closer to the oxygen atom
, due to its greater attraction for electrons. As a result the oxygen atom has a slightly negative partial charge and the hydrogen atoms have a slightly positive partial charge.
What element has the strongest attraction for electrons?
Explanation:
Fluorine
has the greatest attraction for electrons in any bond that it forms.
What element has most electrons?
| Oganesson | Electrons per shell 2, 8, 18, 32, 32, 18, 8 (predicted) | Physical properties | Phase at STP solid (predicted) |
|---|
Are hydrogen bonds strong?
Hydrogen bonding, interaction involving a hydrogen atom located between a pair of other atoms having a high affinity for electrons; such a bond is weaker than an ionic bond or covalent bond but
stronger than
van der Waals forces.
