The Concept of Electronegativity

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This time, we will discuss one of the chemical terms that often confuses novice chemists. Electronegativity. Electronegativity is the ability, or tendency of an atom, to attract shared-pair electrons towards itself.  #electronegativity

Transcript

00:00Hi everyone, thank you for being an active viewer of this channel.

00:08This time, we will discuss one of the chemical terms that often confuses novice chemists.

00:14Electronegativity.

00:17Let's read a simple definition of electronegativity.

00:21Electronegativity is the ability, or tendency of an atom, to attract shared pair electrons

00:26towards itself.

00:29Maybe you have a different definition, that's not a problem.

00:36To understand this definition, consider the following illustration.

00:42These are atoms 1 and atom 2.

00:47Let's say atom 1 has one unpaired electron in the outermost shell.

00:53Atom 2 also has one unpaired electron in the outermost shell.

01:01Both atoms are unstable.

01:04To achieve stability, the two electrons must form a pair.

01:10This is what is meant by a shared pair electrons.

01:16Because it connects two atoms, the shared pair electrons forms a chemical bond.

01:22So what does it have to do with electronegativity?

01:27Even though it is in the form of a molecule, its atomic properties still exist.

01:32The atomic nucleus of each atom can affect chemical bonds.

01:38The shared pair electrons can be right in the middle of the atom.

01:44The shared pair electrons may tend to be closer to the nucleus of atom 1.

01:50Or the shared pair electrons may also tend to be closer to the nucleus of atom 2.

01:55Well, this is the role of the electronegativity value of the atom.

02:02The electronegativity value can determine the tendency of the nucleus of an atom to

02:06attract shared pair electrons towards itself.

02:10We will study this in more detail in the next video.

02:15Hopefully, there are some benefits in the video.

02:19Happy learning everyone!

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