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Biology 17 Online
OpenStudy (playa):

how is energy transferred between these bonds and what role does oxygen play in formation and breaking of bonds? bonds- ionic, covalent(polar and nonpolar), hydrogen and van der wahls

OpenStudy (aaronq):

What are \(\sf "these"\) bonds?

OpenStudy (playa):

these bonds refers to- ionic, covalent (polar and nonpolar),hydrogen and van der wahls bonds

OpenStudy (aaronq):

Hm it's a weird question because the "mechanism" for energy transfer comes from the arrangement of electrons and the types of atoms the bonds are being broken/formed, which changes the potential energy of the system as a whole - there is not direct transfer like you would see with another type of transfer like thermal energy.

OpenStudy (playa):

mechanism? the question is different from what you are thinking. Do you have any idea of the role that oxygen plays in foramtion for ionic bonding bc i cant find it anywhere.

OpenStudy (playa):

i mean in ionic bonding does oxygen do anything in formation like the role of it

OpenStudy (aaronq):

Hm it doesnt play a role on every ionic bond (if that's what you're asking), only when it's present does it "play a role". Oxygen (because of it's high electronegativity) tends to gain electrons to become negatively charged, as \(\large O^{2-}\), thus it forms ionic bonds to cations - which are typically metals.

OpenStudy (playa):

oh so since its high in electronegatively does that mean that breaking of the bonds is easy or not?

OpenStudy (aaronq):

hmm no. electronegativity plays a role in the attraction of electrons - a high electronegativity corresponds to a great attraction. An ionic bond is a electrostatic attraction between 2 charged particles. So no, being highly electronegative doesnt have much to do with the ease an ionic bond is broken.

OpenStudy (playa):

so, are you saying its not breakable? b/c that is the 2nd part of the question i am working on

OpenStudy (abhisar):

More the electronegativity difference between two bonded atom, more is the amount of energy it will need to break the bond

OpenStudy (aaronq):

Its definitely breakable - all bonds are.

OpenStudy (playa):

oh, they are breakable? then the oxygen makes it more breakable

OpenStudy (aaronq):

I guess the difference of EN can be used to roughly gauge bond strength, but other factors , like size and charge, come into play. No, oxygen doesn't make more or less breakable.

OpenStudy (abhisar):

What do you exactly want to know ?

OpenStudy (playa):

if it doesnt make it more breakable then im confused

OpenStudy (aaronq):

It depends what you're comparing. For example, Li-OH is weaker than \(Li_2\)O

OpenStudy (abhisar):

ok do you know what a bond is ?

OpenStudy (playa):

@abhisar what i want to know is what role does oxygen play in formation and breaking of bonds? i already answered the first part of formation i just need the part of breaking of bonds

OpenStudy (playa):

yes i know what a bond is

OpenStudy (playa):

i dont think im comparing im just answering those two question for ionic,hydrogen,van der wahls and covalent bonds

OpenStudy (aaronq):

The role of \(O^{2-}\) would be to disrupt other existing bond by attracting the cation, or partially charged positive atom, from it's original partner.|dw:1410026023725:dw|

OpenStudy (aaronq):

i think this might be what you mean..

OpenStudy (playa):

yes i think so, so the cation and anion bond weakend which makes the oxygen more stable right?

OpenStudy (aaronq):

when the bond between the original partners weakens, the bond between the oxygen and cation would become more stable as a result of proximity.

OpenStudy (playa):

yes thats it!!! thanks

OpenStudy (aaronq):

alright, no problem !

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