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Non-polar molecules with different non-central atoms

Posted: Sun Nov 24, 2019 12:16 pm
by EvaLi_3J
If a molecule has one central atom with no lone pairs, four other atoms with two of them being the same, and the other two being the same (central atom + 2 A atoms + 2 B atoms, five atoms in total in this molecule.), would it still be a non-polar molecule? In other words, even though we have two different types of non-central atoms, would they still cancel each other in terms of partial charges?

Re: Non-polar molecules with different non-central atoms

Posted: Sun Nov 24, 2019 12:20 pm
by Kate Osborne 1H
It depends on the arrangement of the atoms, for example CH2Cl2 is polar.

Re: Non-polar molecules with different non-central atoms

Posted: Sun Nov 24, 2019 12:38 pm
by claribel charway 1I
It depends where the two atoms are placed. If they same atoms aren’t opposite of each other their dipole moments won’t cancel out thereby making it polar.

Re: Non-polar molecules with different non-central atoms

Posted: Sun Nov 24, 2019 12:52 pm
by 005388369
They would only be nonpolar if there was one central atom and all of the other atoms were the same element.