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Hydrogen Bonding Presentation

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by

Ricky Cardenas

on 27 May 2016

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Transcript of Hydrogen Bonding Presentation

A hydrogen bond is the attractive force between the hydrogen attached to an electronegative atom of one molecule and an electronegative atom of a different molecule. Usually the electronegative atom is oxygen, nitrogen, or fluorine, which has a partial negative charge.
Hydrogen Bonding
Atoms, elements, molecules, & compounds are all different because for one, compounds are two elements combined while a molecule is just one element multiplied. Example would be hydrogen gas (h^2
What's the difference ?

Since hydrogen bonding is the attraction of hydrogen between two polar molecules when hydrogen is bound to a highly electronegative atom such as nitrogen, oxygen, or fluorine.
Who Has It ?
Hydrogen Bonding is when hydrogen is already bonded with N,F,O but has a attracted to other N,F,O
Hydrogen Bonding
Simplified
Intramolecular forces are forces within a molecule and intermolecular forces are forces between molecules. Hydrogen bonding has an intermolecular bond, water (H₂O) is an example of the intermolecular bond as well as Ammonia and Hydrogen Fluoride.
Intra & Inter
Strength of Hydrogen Bonding
At room temp. hydrogen bonding is usually a liquid. Examples of this is water.
Hydrogen bonding State
¨Famous¨ Compounds
A polyatomic ion is a group of covalently atoms that have a charge.

An example would be ammonium. NH4+
Polyatomic Ion
Hydrogen Bonding Presentation
In the list from strongest to weakest
-hydrogen bonding
-dipole-dipole
-dispersion force

Lattice
A lattice is a regular arrangement of particles, whether these are atoms, ions or molecules. An example of lattice being present with hydrogen bonding is ice, how the atoms come together to form the ice.
The Rules of Hydrogen Bonding
An example would be water. Each water
molecule would bond with another water molecule.
Because of this it has a high cohesion, which
results in high surface tension.
Thank you for listening!
Name : Hydrogen Bonding
Electronegativity
the ability of an atom to attract
electrons
Fluorine, Oxygen, and Nitrogen because of that

forces in between will always be weaker than
forces inside ionic> covalent> metallic>inter
It has 11 protons and
10 electrons. Since it
has more protons, it is
positively charged.
Another example would be ice and how it floats. When water freezes hydrogen bonds space the molecules farther apart from each other which decreases the density. So since the density of ice would be lower than water, it floats.
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