Chemistry and physics: bonds and the Periodic Table of Elements

Chemical bonds are mainly about electrons and how are they shared with the neighboring atoms. A bond is made when an electron or more are more probably to be found in an area between the atoms than around specific atoms.

You cannot say that an electron jumps from one atom to the other and then comes back. Since is it s quantum particle an electron in a ionic bond will be seen more often in the vicinity of the more electronegative atom, chlorine in the example of NaCl.

There exist perfectly covalent bonds, but there is no perfectly ionic bond. The Periodic Table of Elements can epxlain how the atoms might bond given the fact that Flurine is the most electronegative (4) and all other elements have an electronegativity smaller than 4.

Also, learn how the Periodic Table of Elements came to be:

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