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relativistic effect: d-electrons in metallorganic complexes

With higher period the d-electrons of the metal are less strong bonded and therefore oxidative addition is easier for $\ce{Ir(I)}$ as for $\ce{Rh(I)}$ and much easier as for $\ce{Co(I)}$. For metal ...
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1answer
63 views

Is there a relation between the ionization energy and the electron affinity?

I am aware of the definition and equation of IE and EA. I was wondering if there is a direct relation between this two quantities with the energy of the neutral specie.
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2answers
363 views

Why fluorine doesn't act as the central atom in inter-halogen compounds?

Why can't fluorine be the central atom in inter-halogen compounds? A $\ce{F-F}$ bond is weaker than a $\ce{F-X}$ bond and thus, fluorine should be happy to form inter-halogen compounds. But, why ...
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1answer
87 views

Electron Affinity trends

Imagine an arrangement of atomic orbitals in an alternate universe, in which the s subshell contains 2 orbitals instead of 1, and the p subshell contains 4 orbitals rather than 3. In which groups ...
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2answers
4k views

Why does chlorine have a higher electron affinity than fluorine?

Since fluorine has its valence electrons in the n=2 energy level, and since chlorine has its valence electrons in the n=3 energy level, one would initially expect that an electron rushing towards ...
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1answer
87 views

Why does Oxygen not like to be doubly Anionized?

The Electron Affinity of a neutral Oxygen atom is -142 KJ (it releases this energy). The Electron Affinity for the now anionized Oxygen is 710 KJ (Work must be done on the atom). My question is, why ...
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1answer
193 views

Electronegativity

Why is the Electronegativity difference for atoms in bonding uncertain while determining what the compound will be? According to the IB(International Baccalaureate) they say that the ...
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2answers
399 views

List in order of increasing radius

List in order of increasing radius: a) Rb, K, C5, Kr For this one I got C, Kr, K, Rb b) Ar, Cs, Si, Al This I got: Ar, Si, Al, Cs Does anyone know if this is correct? I don't have the solution ...
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1answer
338 views

What determines the electronegativity of an element?

Is it possible to work out without post-Bohrian mathematics?
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2answers
409 views

Why does cesium have a positive electron affinity?

When an electron is added to cesium, why is energy released?
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1answer
4k views

Are there any major exceptions when comparing electron affinity?

I was tasked with figuring out whether Carbon or Nitrogen has a more negative electron affinity value. I initially picked Nitrogen, just because Nitrogen has a higher Z$_{eff}$, creating a larger ...