2)Draw a qualitative graph, plotted total potential energy ot two atoms vs. internuclear distance fortwo bromine atoms that approach each other and form a covalent bond.a)Why is it not energetically favorable for the two atoms to be to close?b)What does the zero energy line mean?

Question
Asked Jan 26, 2019
2)
Draw a qualitative graph, plotted total potential energy ot two atoms vs. internuclear distance for
two bromine atoms that approach each other and form a covalent bond.
a)
Why is it not energetically favorable for the two atoms to be to close?
b)
What does the zero energy line mean?
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2) Draw a qualitative graph, plotted total potential energy ot two atoms vs. internuclear distance for two bromine atoms that approach each other and form a covalent bond. a) Why is it not energetically favorable for the two atoms to be to close? b) What does the zero energy line mean?

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Expert Answer

Step 1

When two bromine atoms approach each other, the attractive forces between the nucleus of one bromine atom and the electrons of the other bromine atom starts workng. Hence, the potential energy decreases as the internuclear distance decreases. At a certain point (presenting the minimum of the curve), the repulsive interactions between the nucleus of one atom and nucleus of another atom and electrons of the two atoms overcomes the attractive interactions. Thus, further decreasing the internuclear distance, the potential energy starts increases. The type of curve is shown on the board.

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Step 2

a) It is not energetically favourable for the two atoms to be close since at a ce...

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