Consider an electromotive force (EMF) or an electric potential, acting between two points.
“A state or a condition of an atom or a molecule having positive and also negative charges, especially in case of magnetic or an electrical poles.”
Polarity, in general, refers to the physical properties of compounds such as boiling point, melting points, and their solubilities. The polarity of bonds mainly arises from the act between molecules and atoms with various electronegativities .
Moving on, usually, the term Polarity is used in areas like magnetism, electricity, and signalling of electronic devices. Consider an electromotive force (EMF) or an electric potential, acting between two points. Here the points or poles as they are commonly known as has more number of electrons than the other. The pole having more electrons possesses a negative polarity whereas the other end has a positive polarity.
Talking about polarity in Chemistry, well it is basically the separation of an electric charge which leads a molecule to have a positive and negative end.
In an H-F bond, the fluorine atom is said to be more electronegative than that of the Hydrogen atom. The electrons eventually spend more time at the Fluorine atom. Hence, this F atom slightly becomes negative whereas the Hydrogen atom tends to become slightly positive.
The bond or the molecular polarities depend upon the electronegativities of the atoms or the molecules . A molecule is basically said to be either a polar molecule, non- polar molecule or ionic molecule.
A molecule may be polar or non-polar. A non-polar molecule has a structure of its atoms lined up in a way that the orbital electrons in the outer region cancel out the electronegativity.
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