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I'll also post the link for version 1
Great! Now we are into electronegativity folks! And how electronegativity of different elements induce different levels of attraction in covalent bonding!
And how the resulting shape (for example tetrahedral/linear) determines whether its polar or non polar compoundXD
Just to recap people here know covalent bonding stabilizes the participating elements.
Convalent bonding is different from ionic bonding in that they "share" their properties as opposed to exchanging electrons.
Which is the case in ionic bonding.
Every element has an assigned electronegativity. This electronegativity, when bonded, determines the direction of "polarity" dependent on the extent of electronegativity.
For example, take the water molecule
Despite having two identical bonds in a V shaped manner, the difference of electronegativity between hydrogen molecule and oxygen molecule are slightly directed off to the side, hence making the water polar with dipole dipole attraction.
This further serves to explain why water drops are not power like.
interesting, another new thing I learned
δ- symbol for electronegativity
Oh by the way we should cover isotopes here too.
Who here knows what isotopes are?
Isotopes indeed differ in the number of neutrons present. However protons don't change so they find the same spot in our periodic table.
However drop or rise in the number of neutrons also affects electron configuration as well.
what are isotopes?
Isotopes are different versions of the same element.
For example 99% of carbons in our atmosphere are carbon-12
but there are radioactive carbons like carbon-14.
Mind you, they have the same number of protons, but it's just that they have different number of neutrons.
Now I get it, yay :)